Shift in Votes from President to Senate Race in IA counties in 2020 (Count)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 GREENFIELD ERNST MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Adair 1,198 2,917 -1,719 4,172 1,207 2,809 -1,602 4,144 9 -108 117 -28
2 Adams 590 1,530 -940 2,155 594 1,497 -903 2,159 4 -33 37 4
3 Allamakee 2,576 4,735 -2,159 7,413 2,602 4,478 -1,876 7,336 26 -257 283 -77
4 Appanoose 1,891 4,512 -2,621 6,506 1,956 4,189 -2,233 6,386 65 -323 388 -120
5 Audubon 1,071 2,295 -1,224 3,416 1,092 2,188 -1,096 3,372 21 -107 128 -44
6 Benton 5,160 9,188 -4,028 14,622 5,202 8,830 -3,628 14,492 42 -358 400 -130
7 Black Hawk 35,647 29,640 6,007 66,420 34,963 29,222 5,741 66,013 -684 -418 -266 -407
8 Boone 6,303 8,695 -2,392 15,306 6,316 8,315 -1,999 15,190 13 -380 393 -116
9 Bremer 5,958 8,294 -2,336 14,516 5,911 8,196 -2,285 14,450 -47 -98 51 -66
10 Buchanan 4,169 6,420 -2,251 10,764 4,292 6,063 -1,771 10,704 123 -357 480 -60
11 Buena Vista 2,961 5,056 -2,095 8,149 3,022 4,724 -1,702 7,994 61 -332 393 -155
12 Butler 2,424 5,542 -3,118 8,084 2,474 5,291 -2,817 8,009 50 -251 301 -75
13 Calhoun 1,470 3,689 -2,219 5,249 1,531 3,513 -1,982 5,212 61 -176 237 -37
14 Carroll 3,454 7,737 -4,283 11,306 3,580 7,245 -3,665 11,162 126 -492 618 -144
15 Cass 2,201 4,969 -2,768 7,266 2,259 4,725 -2,466 7,165 58 -244 302 -101
16 Cedar 4,337 6,161 -1,824 10,680 4,300 5,935 -1,635 10,541 -37 -226 189 -139
17 Cerro Gordo 10,941 12,442 -1,501 23,744 11,534 11,339 195 23,530 593 -1,103 1,696 -214
18 Cherokee 1,936 4,495 -2,559 6,503 2,002 4,214 -2,212 6,425 66 -281 347 -78
19 Chickasaw 2,233 4,308 -2,075 6,617 2,324 4,024 -1,700 6,580 91 -284 375 -37
20 Clarke 1,466 3,144 -1,678 4,661 1,520 2,906 -1,386 4,609 54 -238 292 -52
21 Clay 2,662 6,137 -3,475 8,948 2,861 5,716 -2,855 8,868 199 -421 620 -80
22 Clayton 3,340 6,106 -2,766 9,581 3,434 5,845 -2,411 9,524 94 -261 355 -57
23 Clinton 10,812 13,361 -2,549 24,638 10,942 12,559 -1,617 24,351 130 -802 932 -287
24 Crawford 2,220 4,854 -2,634 7,146 2,336 4,424 -2,088 7,009 116 -430 546 -137
25 Dallas 26,879 27,987 -1,108 55,847 25,427 28,727 -3,300 55,574 -1,452 740 -2,192 -273
26 Davis 1,013 3,032 -2,019 4,099 1,167 2,728 -1,561 4,041 154 -304 458 -58
27 Decatur 1,120 2,615 -1,495 3,801 1,165 2,439 -1,274 3,740 45 -176 221 -61
28 Delaware 3,157 6,666 -3,509 9,981 3,235 6,454 -3,219 9,936 78 -212 290 -45
29 Des Moines 8,893 10,592 -1,699 19,906 9,296 9,468 -172 19,616 403 -1,124 1,527 -290
30 Dickinson 3,661 7,438 -3,777 11,230 3,791 7,149 -3,358 11,184 130 -289 419 -46
31 Dubuque 25,657 27,214 -1,557 53,782 25,433 26,034 -601 53,080 -224 -1,180 956 -702
32 Emmet 1,520 3,265 -1,745 4,850 1,637 2,965 -1,328 4,797 117 -300 417 -53
33 Fayette 3,835 6,145 -2,310 10,157 3,912 5,865 -1,953 10,102 77 -280 357 -55
34 Floyd 3,172 4,732 -1,560 8,017 3,498 4,181 -683 7,972 326 -551 877 -45
35 Franklin 1,626 3,422 -1,796 5,119 1,639 3,270 -1,631 5,066 13 -152 165 -53
36 Fremont 1,080 2,711 -1,631 3,851 1,099 2,563 -1,464 3,808 19 -148 167 -43
37 Greene 1,769 3,223 -1,454 5,051 1,784 3,063 -1,279 4,992 15 -160 175 -59
38 Grundy 2,206 4,929 -2,723 7,260 2,120 4,900 -2,780 7,217 -86 -29 -57 -43
39 Guthrie 1,985 4,272 -2,287 6,363 2,000 4,103 -2,103 6,326 15 -169 184 -37
40 Hamilton 2,843 4,956 -2,113 7,917 2,913 4,679 -1,766 7,875 70 -277 347 -42
41 Hancock 1,683 4,390 -2,707 6,161 1,881 4,004 -2,123 6,080 198 -386 584 -81
42 Hardin 2,976 5,850 -2,874 8,975 2,920 5,639 -2,719 8,839 -56 -211 155 -136
43 Harrison 2,440 5,569 -3,129 8,144 2,574 5,059 -2,485 8,018 134 -510 644 -126
44 Henry 3,275 6,507 -3,232 9,964 3,457 5,875 -2,418 9,772 182 -632 814 -192
45 Howard 1,772 3,127 -1,355 4,952 2,014 2,716 -702 4,906 242 -411 653 -46
46 Humboldt 1,442 3,819 -2,377 5,321 1,443 3,671 -2,228 5,264 1 -148 149 -57
47 Ida 917 2,880 -1,963 3,844 964 2,757 -1,793 3,817 47 -123 170 -27
48 Iowa 3,547 6,009 -2,462 9,716 3,541 5,794 -2,253 9,635 -6 -215 209 -81
49 Jackson 4,029 6,940 -2,911 11,118 4,249 6,175 -1,926 10,913 220 -765 985 -205
50 Jasper 7,737 12,084 -4,347 20,143 7,905 11,405 -3,500 20,026 168 -679 847 -117
51 Jefferson 4,319 4,443 -124 8,926 4,547 4,008 539 8,808 228 -435 663 -118
52 Johnson 59,177 22,925 36,252 83,570 57,063 23,773 33,290 82,633 -2,114 848 -2,962 -937
53 Jones 4,213 6,572 -2,359 10,965 4,237 6,320 -2,083 10,902 24 -252 276 -63
54 Keokuk 1,414 3,797 -2,383 5,291 1,489 3,565 -2,076 5,213 75 -232 307 -78
55 Kossuth 2,696 6,275 -3,579 9,077 2,799 5,957 -3,158 9,006 103 -318 421 -71
56 Lee 6,541 9,773 -3,232 16,699 7,445 8,489 -1,044 16,552 904 -1,284 2,188 -147
57 Linn 70,874 53,364 17,510 127,078 69,125 53,248 15,877 126,466 -1,749 -116 -1,633 -612
58 Louisa 1,726 3,500 -1,774 5,326 1,804 3,259 -1,455 5,259 78 -241 319 -67
59 Lucas 1,284 3,287 -2,003 4,622 1,302 3,105 -1,803 4,545 18 -182 200 -77
60 Lyon 1,067 5,707 -4,640 6,852 1,073 5,522 -4,449 6,751 6 -185 191 -101
61 Madison 3,134 6,507 -3,373 9,806 3,168 6,245 -3,077 9,720 34 -262 296 -86
62 Mahaska 2,894 8,297 -5,403 11,381 2,969 7,860 -4,891 11,228 75 -437 512 -153
63 Marion 6,178 12,663 -6,485 19,173 6,269 12,211 -5,942 19,062 91 -452 543 -111
64 Marshall 8,176 9,571 -1,395 18,097 8,187 9,057 -870 17,872 11 -514 525 -225
65 Mills 2,508 5,585 -3,077 8,237 2,544 5,347 -2,803 8,158 36 -238 274 -79
66 Mitchell 2,053 3,677 -1,624 5,815 2,282 3,347 -1,065 5,802 229 -330 559 -13
67 Monona 1,407 3,248 -1,841 4,714 1,455 3,054 -1,599 4,665 48 -194 242 -49
68 Monroe 1,078 2,975 -1,897 4,085 1,148 2,742 -1,594 4,009 70 -233 303 -76
69 Montgomery 1,583 3,659 -2,076 5,320 1,520 3,633 -2,113 5,301 -63 -26 -37 -19
70 Muscatine 9,372 10,823 -1,451 20,629 9,381 10,278 -897 20,441 9 -545 554 -188
71 O'brien 1,569 5,861 -4,292 7,541 1,640 5,675 -4,035 7,462 71 -186 257 -79
72 Osceola 601 2,690 -2,089 3,323 657 2,525 -1,868 3,263 56 -165 221 -60
73 Page 2,086 5,319 -3,233 7,519 2,067 5,152 -3,085 7,438 -19 -167 148 -81
74 Palo Alto 1,519 3,370 -1,851 4,950 1,677 3,113 -1,436 4,932 158 -257 415 -18
75 Plymouth 3,494 10,492 -6,998 14,165 3,587 10,145 -6,558 14,039 93 -347 440 -126
76 Pocahontas 933 2,826 -1,893 3,817 1,003 2,641 -1,638 3,780 70 -185 255 -37
77 Polk 146,250 106,800 39,450 257,991 142,328 106,443 35,885 256,257 -3,922 -357 -3,565 -1,734
78 Pottawattamie 18,575 26,247 -7,672 45,639 18,520 24,720 -6,200 45,065 -55 -1,527 1,472 -574
79 Poweshiek 4,306 5,657 -1,351 10,124 4,381 5,361 -980 10,043 75 -296 371 -81
80 Ringgold 709 1,968 -1,259 2,708 732 1,870 -1,138 2,696 23 -98 121 -12
81 Sac 1,389 4,061 -2,672 5,527 1,440 3,849 -2,409 5,485 51 -212 263 -42
82 Scott 46,926 43,683 3,243 92,324 45,751 42,941 2,810 91,606 -1,175 -742 -433 -718
83 Shelby 1,959 4,697 -2,738 6,781 1,989 4,489 -2,500 6,694 30 -208 238 -87
84 Sioux 3,019 15,680 -12,661 18,956 2,828 15,785 -12,957 18,895 -191 105 -296 -61
85 Story 29,175 20,340 8,835 50,837 28,216 20,750 7,466 50,513 -959 410 -1,369 -324
86 Tama 3,577 5,303 -1,726 9,026 3,588 5,090 -1,502 8,970 11 -213 224 -56
87 Taylor 746 2,463 -1,717 3,242 762 2,337 -1,575 3,210 16 -126 142 -32
88 Union 2,061 4,010 -1,949 6,171 2,051 3,820 -1,769 6,124 -10 -190 180 -47
89 Van Buren 875 2,859 -1,984 3,780 1,065 2,583 -1,518 3,752 190 -276 466 -28
90 Wapello 5,821 9,516 -3,695 15,613 6,344 8,464 -2,120 15,348 523 -1,052 1,575 -265
91 Warren 12,574 17,782 -5,208 30,953 12,478 17,276 -4,798 30,703 -96 -506 410 -250
92 Washington 4,561 6,971 -2,410 11,745 4,519 6,773 -2,254 11,654 -42 -198 156 -91
93 Wayne 727 2,338 -1,611 3,103 784 2,186 -1,402 3,055 57 -152 209 -48
94 Webster 6,613 10,938 -4,325 17,790 6,845 10,195 -3,350 17,635 232 -743 975 -155
95 Winnebago 2,135 3,707 -1,572 5,951 2,361 3,336 -975 5,926 226 -371 597 -25
96 Winneshiek 5,617 6,235 -618 12,036 5,581 6,039 -458 11,960 -36 -196 160 -76
97 Woodbury 18,704 25,736 -7,032 45,172 18,674 24,175 -5,501 44,544 -30 -1,561 1,531 -628
98 Worth 1,596 2,738 -1,142 4,414 1,803 2,425 -622 4,377 207 -313 520 -37
99 Wright 1,996 4,136 -2,140 6,242 2,063 3,889 -1,826 6,188 67 -247 314 -54
100 TOTAL 759,061 897,672 -138,611 1,686,534 754,859 864,997 -110,138 1,671,828 -4,202 -32,675 28,473 -14,706
Shift in Vote Share from President to Senate Race in IA counties in 2020 (Percent)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 GREENFIELD ERNST MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Adair 28.72 69.92 -41.20 98.63 29.13 67.78 -38.66 96.91 0.41 -2.13 2.54 -1.72
2 Adams 27.38 71.00 -43.62 98.38 27.51 69.34 -41.82 96.85 0.13 -1.66 1.79 -1.53
3 Allamakee 34.75 63.87 -29.12 98.62 35.47 61.04 -25.57 96.51 0.72 -2.83 3.55 -2.11
4 Appanoose 29.07 69.35 -40.29 98.42 30.63 65.60 -34.97 96.23 1.56 -3.75 5.32 -2.19
5 Audubon 31.35 67.18 -35.83 98.54 32.38 64.89 -32.50 97.27 1.03 -2.30 3.33 -1.26
6 Benton 35.29 62.84 -27.55 98.13 35.90 60.93 -25.03 96.83 0.61 -1.91 2.51 -1.30
7 Black Hawk 53.67 44.63 9.04 98.29 52.96 44.27 8.70 97.23 -0.71 -0.36 -0.35 -1.06
8 Boone 41.18 56.81 -15.63 97.99 41.58 54.74 -13.16 96.32 0.40 -2.07 2.47 -1.67
9 Bremer 41.04 57.14 -16.09 98.18 40.91 56.72 -15.81 97.63 -0.14 -0.42 0.28 -0.56
10 Buchanan 38.73 59.64 -20.91 98.37 40.10 56.64 -16.55 96.74 1.37 -3.00 4.37 -1.63
11 Buena Vista 36.34 62.04 -25.71 98.38 37.80 59.09 -21.29 96.90 1.47 -2.95 4.42 -1.48
12 Butler 29.99 68.56 -38.57 98.54 30.89 66.06 -35.17 96.95 0.91 -2.49 3.40 -1.59
13 Calhoun 28.01 70.28 -42.27 98.29 29.37 67.40 -38.03 96.78 1.37 -2.88 4.25 -1.51
14 Carroll 30.55 68.43 -37.88 98.98 32.07 64.91 -32.83 96.98 1.52 -3.52 5.05 -2.00
15 Cass 30.29 68.39 -38.10 98.68 31.53 65.95 -34.42 97.47 1.24 -2.44 3.68 -1.20
16 Cedar 40.61 57.69 -17.08 98.30 40.79 56.30 -15.51 97.10 0.18 -1.38 1.57 -1.20
17 Cerro Gordo 46.08 52.40 -6.32 98.48 49.02 48.19 0.83 97.21 2.94 -4.21 7.15 -1.27
18 Cherokee 29.77 69.12 -39.35 98.89 31.16 65.59 -34.43 96.75 1.39 -3.53 4.92 -2.15
19 Chickasaw 33.75 65.11 -31.36 98.85 35.32 61.16 -25.84 96.47 1.57 -3.95 5.52 -2.38
20 Clarke 31.45 67.45 -36.00 98.91 32.98 63.05 -30.07 96.03 1.53 -4.40 5.93 -2.88
21 Clay 29.75 68.59 -38.84 98.33 32.26 64.46 -32.19 96.72 2.51 -4.13 6.64 -1.62
22 Clayton 34.86 63.73 -28.87 98.59 36.06 61.37 -25.31 97.43 1.20 -2.36 3.55 -1.16
23 Clinton 43.88 54.23 -10.35 98.11 44.93 51.57 -6.64 96.51 1.05 -2.65 3.71 -1.60
24 Crawford 31.07 67.93 -36.86 98.99 33.33 63.12 -29.79 96.45 2.26 -4.81 7.07 -2.55
25 Dallas 48.13 50.11 -1.98 98.24 45.75 51.69 -5.94 97.44 -2.38 1.58 -3.95 -0.80
26 Davis 24.71 73.97 -49.26 98.68 28.88 67.51 -38.63 96.39 4.17 -6.46 10.63 -2.30
27 Decatur 29.47 68.80 -39.33 98.26 31.15 65.21 -34.06 96.36 1.68 -3.58 5.27 -1.90
28 Delaware 31.63 66.79 -35.16 98.42 32.56 64.96 -32.40 97.51 0.93 -1.83 2.76 -0.90
29 Des Moines 44.67 53.21 -8.54 97.89 47.39 48.27 -0.88 95.66 2.71 -4.94 7.66 -2.23
30 Dickinson 32.60 66.23 -33.63 98.83 33.90 63.92 -30.03 97.82 1.30 -2.31 3.61 -1.02
31 Dubuque 47.71 50.60 -2.90 98.31 47.91 49.05 -1.13 96.96 0.21 -1.55 1.76 -1.34
32 Emmet 31.34 67.32 -35.98 98.66 34.13 61.81 -27.68 95.93 2.79 -5.51 8.30 -2.72
33 Fayette 37.76 60.50 -22.74 98.26 38.73 58.06 -19.33 96.78 0.97 -2.44 3.41 -1.47
34 Floyd 39.57 59.02 -19.46 98.59 43.88 52.45 -8.57 96.32 4.31 -6.58 10.89 -2.27
35 Franklin 31.76 66.85 -35.08 98.61 32.35 64.55 -32.20 96.90 0.59 -2.30 2.89 -1.71
36 Fremont 28.04 70.40 -42.35 98.44 28.86 67.31 -38.45 96.17 0.82 -3.09 3.91 -2.28
37 Greene 35.02 63.81 -28.79 98.83 35.74 61.36 -25.62 97.10 0.71 -2.45 3.17 -1.74
38 Grundy 30.39 67.89 -37.51 98.28 29.38 67.90 -38.52 97.27 -1.01 0.00 -1.01 -1.01
39 Guthrie 31.20 67.14 -35.94 98.33 31.62 64.86 -33.24 96.47 0.42 -2.28 2.70 -1.86
40 Hamilton 35.91 62.60 -26.69 98.51 36.99 59.42 -22.43 96.41 1.08 -3.18 4.26 -2.10
41 Hancock 27.32 71.25 -43.94 98.57 30.94 65.86 -34.92 96.79 3.62 -5.40 9.02 -1.78
42 Hardin 33.16 65.18 -32.02 98.34 33.04 63.80 -30.76 96.83 -0.12 -1.38 1.26 -1.51
43 Harrison 29.96 68.38 -38.42 98.34 32.10 63.10 -30.99 95.20 2.14 -5.29 7.43 -3.14
44 Henry 32.87 65.31 -32.44 98.17 35.38 60.12 -24.74 95.50 2.51 -5.18 7.69 -2.68
45 Howard 35.78 63.15 -27.36 98.93 41.05 55.36 -14.31 96.41 5.27 -7.79 13.05 -2.52
46 Humboldt 27.10 71.77 -44.67 98.87 27.41 69.74 -42.33 97.15 0.31 -2.03 2.35 -1.72
47 Ida 23.86 74.92 -51.07 98.78 25.26 72.23 -46.97 97.48 1.40 -2.69 4.09 -1.29
48 Iowa 36.51 61.85 -25.34 98.35 36.75 60.13 -23.38 96.89 0.24 -1.71 1.96 -1.47
49 Jackson 36.24 62.42 -26.18 98.66 38.94 56.58 -17.65 95.52 2.70 -5.84 8.53 -3.14
50 Jasper 38.41 59.99 -21.58 98.40 39.47 56.95 -17.48 96.42 1.06 -3.04 4.10 -1.98
51 Jefferson 48.39 49.78 -1.39 98.16 51.62 45.50 6.12 97.13 3.24 -4.27 7.51 -1.04
52 Johnson 70.81 27.43 43.38 98.24 69.06 28.77 40.29 97.83 -1.76 1.34 -3.09 -0.42
53 Jones 38.42 59.94 -21.51 98.36 38.86 57.97 -19.11 96.84 0.44 -1.97 2.41 -1.52
54 Keokuk 26.72 71.76 -45.04 98.49 28.56 68.39 -39.82 96.95 1.84 -3.38 5.22 -1.54
55 Kossuth 29.70 69.13 -39.43 98.83 31.08 66.14 -35.07 97.22 1.38 -2.99 4.36 -1.61
56 Lee 39.17 58.52 -19.35 97.69 44.98 51.29 -6.31 96.27 5.81 -7.24 13.05 -1.43
57 Linn 55.77 41.99 13.78 97.77 54.66 42.10 12.55 96.76 -1.11 0.11 -1.22 -1.00
58 Louisa 32.41 65.72 -33.31 98.12 34.30 61.97 -27.67 96.27 1.90 -3.75 5.64 -1.85
59 Lucas 27.78 71.12 -43.34 98.90 28.65 68.32 -39.67 96.96 0.87 -2.80 3.67 -1.93
60 Lyon 15.57 83.29 -67.72 98.86 15.89 81.80 -65.90 97.69 0.32 -1.49 1.82 -1.17
61 Madison 31.96 66.36 -34.40 98.32 32.59 64.25 -31.66 96.84 0.63 -2.11 2.74 -1.48
62 Mahaska 25.43 72.90 -47.47 98.33 26.44 70.00 -43.56 96.45 1.01 -2.90 3.91 -1.88
63 Marion 32.22 66.05 -33.82 98.27 32.89 64.06 -31.17 96.95 0.67 -1.99 2.65 -1.32
64 Marshall 45.18 52.89 -7.71 98.07 45.81 50.68 -4.87 96.49 0.63 -2.21 2.84 -1.58
65 Mills 30.45 67.80 -37.36 98.25 31.18 65.54 -34.36 96.73 0.74 -2.26 3.00 -1.52
66 Mitchell 35.31 63.23 -27.93 98.54 39.33 57.69 -18.36 97.02 4.03 -5.55 9.57 -1.52
67 Monona 29.85 68.90 -39.05 98.75 31.19 65.47 -34.28 96.66 1.34 -3.43 4.78 -2.09
68 Monroe 26.39 72.83 -46.44 99.22 28.64 68.40 -39.76 97.03 2.25 -4.43 6.68 -2.18
69 Montgomery 29.76 68.78 -39.02 98.53 28.67 68.53 -39.86 97.21 -1.08 -0.24 -0.84 -1.33
70 Muscatine 45.43 52.46 -7.03 97.90 45.89 50.28 -4.39 96.17 0.46 -2.18 2.65 -1.72
71 O'brien 20.81 77.72 -56.92 98.53 21.98 76.05 -54.07 98.03 1.17 -1.67 2.84 -0.50
72 Osceola 18.09 80.95 -62.86 99.04 20.13 77.38 -57.25 97.52 2.05 -3.57 5.62 -1.52
73 Page 27.74 70.74 -43.00 98.48 27.79 69.27 -41.48 97.06 0.05 -1.47 1.52 -1.43
74 Palo Alto 30.69 68.08 -37.39 98.77 34.00 63.12 -29.12 97.12 3.32 -4.96 8.28 -1.65
75 Plymouth 24.67 74.07 -49.40 98.74 25.55 72.26 -46.71 97.81 0.88 -1.81 2.69 -0.92
76 Pocahontas 24.44 74.04 -49.59 98.48 26.53 69.87 -43.33 96.40 2.09 -4.17 6.26 -2.08
77 Polk 56.69 41.40 15.29 98.08 55.54 41.54 14.00 97.08 -1.15 0.14 -1.29 -1.01
78 Pottawattamie 40.70 57.51 -16.81 98.21 41.10 54.85 -13.76 95.95 0.40 -2.66 3.05 -2.26
79 Poweshiek 42.53 55.88 -13.34 98.41 43.62 53.38 -9.76 97.00 1.09 -2.50 3.59 -1.41
80 Ringgold 26.18 72.67 -46.49 98.86 27.15 69.36 -42.21 96.51 0.97 -3.31 4.28 -2.34
81 Sac 25.13 73.48 -48.34 98.61 26.25 70.17 -43.92 96.43 1.12 -3.30 4.42 -2.18
82 Scott 50.83 47.31 3.51 98.14 49.94 46.88 3.07 96.82 -0.88 -0.44 -0.45 -1.32
83 Shelby 28.89 69.27 -40.38 98.16 29.71 67.06 -37.35 96.77 0.82 -2.21 3.03 -1.38
84 Sioux 15.93 82.72 -66.79 98.64 14.97 83.54 -68.57 98.51 -0.96 0.82 -1.78 -0.14
85 Story 57.39 40.01 17.38 97.40 55.86 41.08 14.78 96.94 -1.53 1.07 -2.60 -0.46
86 Tama 39.63 58.75 -19.12 98.38 40.00 56.74 -16.74 96.74 0.37 -2.01 2.38 -1.64
87 Taylor 23.01 75.97 -52.96 98.98 23.74 72.80 -49.07 96.54 0.73 -3.17 3.90 -2.44
88 Union 33.40 64.98 -31.58 98.38 33.49 62.38 -28.89 95.87 0.09 -2.60 2.70 -2.51
89 Van Buren 23.15 75.63 -52.49 98.78 28.38 68.84 -40.46 97.23 5.24 -6.79 12.03 -1.55
90 Wapello 37.28 60.95 -23.67 98.23 41.33 55.15 -13.81 96.48 4.05 -5.80 9.85 -1.75
91 Warren 40.62 57.45 -16.83 98.07 40.64 56.27 -15.63 96.91 0.02 -1.18 1.20 -1.16
92 Washington 38.83 59.35 -20.52 98.19 38.78 58.12 -19.34 96.89 -0.06 -1.24 1.18 -1.29
93 Wayne 23.43 75.35 -51.92 98.78 25.66 71.55 -45.89 97.22 2.23 -3.79 6.03 -1.56
94 Webster 37.17 61.48 -24.31 98.66 38.81 57.81 -19.00 96.63 1.64 -3.67 5.32 -2.03
95 Winnebago 35.88 62.29 -26.42 98.17 39.84 56.29 -16.45 96.14 3.97 -6.00 9.96 -2.03
96 Winneshiek 46.67 51.80 -5.13 98.47 46.66 50.49 -3.83 97.16 0.00 -1.31 1.31 -1.31
97 Woodbury 41.41 56.97 -15.57 98.38 41.92 54.27 -12.35 96.19 0.52 -2.70 3.22 -2.18
98 Worth 36.16 62.03 -25.87 98.19 41.19 55.40 -14.21 96.60 5.03 -6.63 11.66 -1.59
99 Wright 31.98 66.26 -34.28 98.24 33.34 62.85 -29.51 96.19 1.36 -3.41 4.78 -2.05
100 TOTAL 45.01 53.23 -8.22 98.23 45.15 51.74 -6.59 96.89 0.14 -1.49 1.63 -1.34
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County
Shift in Votes from President to House Race in IA-1 counties in 2020 (Count)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 FINKENAUER HINSON MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Allamakee 2,576 4,735 -2,159 7,413 2,697 4,595 -1,898 7,295 121 -140 261 -118
2 Benton 5,160 9,188 -4,028 14,622 5,307 9,165 -3,858 14,489 147 -23 170 -133
3 Black Hawk 35,647 29,640 6,007 66,420 36,060 29,333 6,727 65,468 413 -307 720 -952
4 Bremer 5,958 8,294 -2,336 14,516 6,036 8,000 -1,964 14,046 78 -294 372 -470
5 Buchanan 4,169 6,420 -2,251 10,764 4,481 6,180 -1,699 10,664 312 -240 552 -100
6 Clayton 3,340 6,106 -2,766 9,581 3,590 5,895 -2,305 9,491 250 -211 461 -90
7 Delaware 3,157 6,666 -3,509 9,981 3,280 6,608 -3,328 9,896 123 -58 181 -85
8 Dubuque 25,657 27,214 -1,557 53,782 26,541 26,263 278 52,859 884 -951 1,835 -923
9 Fayette 3,835 6,145 -2,310 10,157 4,099 5,984 -1,885 10,086 264 -161 425 -71
10 Howard 1,772 3,127 -1,355 4,952 1,893 2,944 -1,051 4,839 121 -183 304 -113
11 Iowa 3,547 6,009 -2,462 9,716 3,543 6,041 -2,498 9,592 -4 32 -36 -124
12 Jackson 4,029 6,940 -2,911 11,118 4,340 6,225 -1,885 10,574 311 -715 1,026 -544
13 Jones 4,213 6,572 -2,359 10,965 4,242 6,621 -2,379 10,871 29 49 -20 -94
14 Linn 70,874 53,364 17,510 127,078 69,391 56,243 13,148 125,786 -1,483 2,879 -4,362 -1,292
15 Marshall 8,176 9,571 -1,395 18,097 8,176 9,176 -1,000 17,373 0 -395 395 -724
16 Mitchell 2,053 3,677 -1,624 5,815 2,016 3,559 -1,543 5,578 -37 -118 81 -237
17 Poweshiek 4,306 5,657 -1,351 10,124 4,429 5,432 -1,003 9,884 123 -225 348 -240
18 Tama 3,577 5,303 -1,726 9,026 3,750 5,150 -1,400 8,917 173 -153 326 -109
19 Winneshiek 5,617 6,235 -618 12,036 5,807 6,041 -234 11,853 190 -194 384 -183
20 Worth 1,596 2,738 -1,142 4,414 1,669 2,633 -964 4,308 73 -105 178 -106
21 TOTAL 199,259 213,601 -14,342 420,577 201,347 212,088 -10,741 413,869 2,088 -1,513 3,601 -6,708
Shift in Vote Share from President to House Race in IA-1 counties in 2020 (Percent)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 FINKENAUER HINSON MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Allamakee 34.75 63.87 -29.12 98.62 36.97 62.99 -26.02 99.96 2.22 -0.89 3.11 1.33
2 Benton 35.29 62.84 -27.55 98.13 36.63 63.25 -26.63 99.88 1.34 0.42 0.92 1.76
3 Black Hawk 53.67 44.63 9.04 98.29 55.08 44.81 10.28 99.89 1.41 0.18 1.23 1.59
4 Bremer 41.04 57.14 -16.09 98.18 42.97 56.96 -13.98 99.93 1.93 -0.18 2.11 1.75
5 Buchanan 38.73 59.64 -20.91 98.37 42.02 57.95 -15.93 99.97 3.29 -1.69 4.98 1.60
6 Clayton 34.86 63.73 -28.87 98.59 37.83 62.11 -24.29 99.94 2.96 -1.62 4.58 1.35
7 Delaware 31.63 66.79 -35.16 98.42 33.14 66.77 -33.63 99.92 1.51 -0.01 1.53 1.50
8 Dubuque 47.71 50.60 -2.90 98.31 50.21 49.69 0.53 99.90 2.51 -0.92 3.42 1.59
9 Fayette 37.76 60.50 -22.74 98.26 40.64 59.33 -18.69 99.97 2.88 -1.17 4.05 1.71
10 Howard 35.78 63.15 -27.36 98.93 39.12 60.84 -21.72 99.96 3.34 -2.31 5.64 1.03
11 Iowa 36.51 61.85 -25.34 98.35 36.94 62.98 -26.04 99.92 0.43 1.13 -0.70 1.56
12 Jackson 36.24 62.42 -26.18 98.66 41.04 58.87 -17.83 99.91 4.81 -3.55 8.36 1.26
13 Jones 38.42 59.94 -21.51 98.36 39.02 60.91 -21.88 99.93 0.60 0.97 -0.37 1.57
14 Linn 55.77 41.99 13.78 97.77 55.17 44.71 10.45 99.88 -0.61 2.72 -3.33 2.11
15 Marshall 45.18 52.89 -7.71 98.07 47.06 52.82 -5.76 99.88 1.88 -0.07 1.95 1.81
16 Mitchell 35.31 63.23 -27.93 98.54 36.14 63.80 -27.66 99.95 0.84 0.57 0.27 1.41
17 Poweshiek 42.53 55.88 -13.34 98.41 44.81 54.96 -10.15 99.77 2.28 -0.92 3.20 1.36
18 Tama 39.63 58.75 -19.12 98.38 42.05 57.75 -15.70 99.81 2.42 -1.00 3.42 1.43
19 Winneshiek 46.67 51.80 -5.13 98.47 48.99 50.97 -1.97 99.96 2.32 -0.84 3.16 1.49
20 Worth 36.16 62.03 -25.87 98.19 38.74 61.12 -22.38 99.86 2.58 -0.91 3.50 1.67
21 TOTAL 47.38 50.79 -3.41 98.17 48.65 51.25 -2.60 99.90 1.27 0.46 0.81 1.73
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County
Shift in Votes from Senate to House Race in IA-1 counties in 2020 (Count)
COUNTY GREENFIELD ERNST MARGIN1 TOTAL1 FINKENAUER HINSON MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Allamakee 2,602 4,478 -1,876 7,336 2,697 4,595 -1,898 7,295 95 117 -22 -41
2 Benton 5,202 8,830 -3,628 14,492 5,307 9,165 -3,858 14,489 105 335 -230 -3
3 Black Hawk 34,963 29,222 5,741 66,013 36,060 29,333 6,727 65,468 1,097 111 986 -545
4 Bremer 5,911 8,196 -2,285 14,450 6,036 8,000 -1,964 14,046 125 -196 321 -404
5 Buchanan 4,292 6,063 -1,771 10,704 4,481 6,180 -1,699 10,664 189 117 72 -40
6 Clayton 3,434 5,845 -2,411 9,524 3,590 5,895 -2,305 9,491 156 50 106 -33
7 Delaware 3,235 6,454 -3,219 9,936 3,280 6,608 -3,328 9,896 45 154 -109 -40
8 Dubuque 25,433 26,034 -601 53,080 26,541 26,263 278 52,859 1,108 229 879 -221
9 Fayette 3,912 5,865 -1,953 10,102 4,099 5,984 -1,885 10,086 187 119 68 -16
10 Howard 2,014 2,716 -702 4,906 1,893 2,944 -1,051 4,839 -121 228 -349 -67
11 Iowa 3,541 5,794 -2,253 9,635 3,543 6,041 -2,498 9,592 2 247 -245 -43
12 Jackson 4,249 6,175 -1,926 10,913 4,340 6,225 -1,885 10,574 91 50 41 -339
13 Jones 4,237 6,320 -2,083 10,902 4,242 6,621 -2,379 10,871 5 301 -296 -31
14 Linn 69,125 53,248 15,877 126,466 69,391 56,243 13,148 125,786 266 2,995 -2,729 -680
15 Marshall 8,187 9,057 -870 17,872 8,176 9,176 -1,000 17,373 -11 119 -130 -499
16 Mitchell 2,282 3,347 -1,065 5,802 2,016 3,559 -1,543 5,578 -266 212 -478 -224
17 Poweshiek 4,381 5,361 -980 10,043 4,429 5,432 -1,003 9,884 48 71 -23 -159
18 Tama 3,588 5,090 -1,502 8,970 3,750 5,150 -1,400 8,917 162 60 102 -53
19 Winneshiek 5,581 6,039 -458 11,960 5,807 6,041 -234 11,853 226 2 224 -107
20 Worth 1,803 2,425 -622 4,377 1,669 2,633 -964 4,308 -134 208 -342 -69
21 TOTAL 197,972 206,559 -8,587 417,483 201,347 212,088 -10,741 413,869 3,375 5,529 -2,154 -3,614
Shift in Vote Share from Senate to House Race in IA-1 counties in 2020 (Percent)
COUNTY GREENFIELD ERNST MARGIN1 TOTAL1 FINKENAUER HINSON MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Allamakee 35.47 61.04 -25.57 96.51 36.97 62.99 -26.02 99.96 1.50 1.95 -0.45 3.45
2 Benton 35.90 60.93 -25.03 96.83 36.63 63.25 -26.63 99.88 0.73 2.32 -1.59 3.06
3 Black Hawk 52.96 44.27 8.70 97.23 55.08 44.81 10.28 99.89 2.12 0.54 1.58 2.65
4 Bremer 40.91 56.72 -15.81 97.63 42.97 56.96 -13.98 99.93 2.07 0.24 1.83 2.30
5 Buchanan 40.10 56.64 -16.55 96.74 42.02 57.95 -15.93 99.97 1.92 1.31 0.61 3.23
6 Clayton 36.06 61.37 -25.31 97.43 37.83 62.11 -24.29 99.94 1.77 0.74 1.03 2.51
7 Delaware 32.56 64.96 -32.40 97.51 33.14 66.77 -33.63 99.92 0.59 1.82 -1.23 2.41
8 Dubuque 47.91 49.05 -1.13 96.96 50.21 49.69 0.53 99.90 2.30 0.64 1.66 2.93
9 Fayette 38.73 58.06 -19.33 96.78 40.64 59.33 -18.69 99.97 1.92 1.27 0.64 3.19
10 Howard 41.05 55.36 -14.31 96.41 39.12 60.84 -21.72 99.96 -1.93 5.48 -7.41 3.55
11 Iowa 36.75 60.13 -23.38 96.89 36.94 62.98 -26.04 99.92 0.19 2.84 -2.66 3.03
12 Jackson 38.94 56.58 -17.65 95.52 41.04 58.87 -17.83 99.91 2.11 2.29 -0.18 4.40
13 Jones 38.86 57.97 -19.11 96.84 39.02 60.91 -21.88 99.93 0.16 2.93 -2.78 3.09
14 Linn 54.66 42.10 12.55 96.76 55.17 44.71 10.45 99.88 0.51 2.61 -2.10 3.12
15 Marshall 45.81 50.68 -4.87 96.49 47.06 52.82 -5.76 99.88 1.25 2.14 -0.89 3.39
16 Mitchell 39.33 57.69 -18.36 97.02 36.14 63.80 -27.66 99.95 -3.19 6.12 -9.31 2.93
17 Poweshiek 43.62 53.38 -9.76 97.00 44.81 54.96 -10.15 99.77 1.19 1.58 -0.39 2.76
18 Tama 40.00 56.74 -16.74 96.74 42.05 57.75 -15.70 99.81 2.05 1.01 1.04 3.06
19 Winneshiek 46.66 50.49 -3.83 97.16 48.99 50.97 -1.97 99.96 2.33 0.47 1.86 2.80
20 Worth 41.19 55.40 -14.21 96.60 38.74 61.12 -22.38 99.86 -2.45 5.72 -8.17 3.26
21 TOTAL 47.42 49.48 -2.06 96.90 48.65 51.25 -2.60 99.90 1.23 1.77 -0.54 3.00
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County
Percent ratio of Voters for House to Registered Voters in IA-1 counties in 2020 (Percent)
COUNTY FINKENAUER HINSON MARGIN1 TOTAL1 DemActive RepActive MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Allamakee 36.97 62.99 -26.02 99.96 34.34 65.18 -30.83 99.52 82.33 73.91 64.53 76.48
2 Benton 36.63 63.25 -26.63 99.88 40.26 59.00 -18.74 99.25 73.96 87.15 115.48 81.28
3 Black Hawk 55.08 44.81 10.28 99.89 58.75 40.33 18.42 99.09 72.22 85.57 42.97 77.03
4 Bremer 42.97 56.96 -13.98 99.93 44.22 55.19 -10.97 99.40 77.57 82.37 101.72 79.81
5 Buchanan 42.02 57.95 -15.93 99.97 49.16 50.38 -1.22 99.55 66.74 89.81 1,019.64 78.08
6 Clayton 37.83 62.11 -24.29 99.94 44.01 55.37 -11.36 99.38 68.67 89.62 170.79 79.89
7 Delaware 33.14 66.77 -33.63 99.92 35.02 64.46 -29.44 99.48 78.15 85.54 94.33 82.58
8 Dubuque 50.21 49.69 0.53 99.90 57.16 41.98 15.19 99.14 68.56 92.39 2.70 78.06
9 Fayette 40.64 59.33 -18.69 99.97 43.72 55.64 -11.92 99.36 75.47 86.58 127.33 81.19
10 Howard 39.12 60.84 -21.72 99.96 47.62 51.81 -4.19 99.43 65.06 93.00 410.38 79.20
11 Iowa 36.94 62.98 -26.04 99.92 36.10 63.13 -27.03 99.22 81.89 79.83 77.09 80.02
12 Jackson 41.04 58.87 -17.83 99.91 54.62 45.01 9.61 99.62 55.51 96.61 -137.02 73.86
13 Jones 39.02 60.91 -21.88 99.93 41.40 58.15 -16.75 99.55 75.13 83.48 104.13 79.71
14 Linn 55.17 44.71 10.45 99.88 58.30 40.57 17.73 98.87 76.85 89.52 47.87 81.22
15 Marshall 47.06 52.82 -5.76 99.88 49.79 49.47 0.33 99.26 68.86 77.79 -1,281.38 72.85
16 Mitchell 36.14 63.80 -27.66 99.95 38.43 60.87 -22.43 99.30 73.37 81.79 96.21 78.02
17 Poweshiek 44.81 54.96 -10.15 99.77 52.52 46.93 5.59 99.45 62.30 85.51 -132.54 73.02
18 Tama 42.05 57.75 -15.70 99.81 45.80 53.56 -7.76 99.36 71.86 84.38 158.26 78.25
19 Winneshiek 48.99 50.97 -1.97 99.96 50.15 49.36 0.79 99.51 79.19 83.69 -203.06 81.06
20 Worth 38.74 61.12 -22.38 99.86 40.53 58.98 -18.45 99.50 75.55 81.90 95.87 79.03
21 TOTAL 48.65 51.25 -2.60 99.90 52.61 46.56 6.05 99.17 72.97 86.84 -33.86 78.90
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County;
Iowa Secretary of State, Voter Registration Totals by County,
December 2020, State of Iowa Voter Registration Totals - 12/1/2020, 9:04 AM;
Note: "No Party Active" registrations split between Democratic and Republican Active according to their current ratio.
Shift in Votes from President to House Race in IA-2 counties in 2020 (Count)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 HART MEEKS MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Appanoose 1,891 4,512 -2,621 6,506 1,952 4,078 -2,126 6,038 61 -434 495 -468
2 Cedar 4,337 6,161 -1,824 10,680 4,629 5,534 -905 10,180 292 -627 919 -500
3 Clarke 1,466 3,144 -1,678 4,661 1,639 2,712 -1,073 4,364 173 -432 605 -297
4 Clinton 10,812 13,361 -2,549 24,638 12,997 10,945 2,052 23,977 2,185 -2,416 4,601 -661
5 Davis 1,013 3,032 -2,019 4,099 1,129 2,795 -1,666 3,931 116 -237 353 -168
6 Decatur 1,120 2,615 -1,495 3,801 1,215 2,347 -1,132 3,571 95 -268 363 -230
7 Des Moines 8,893 10,592 -1,699 19,906 9,268 9,641 -373 18,971 375 -951 1,326 -935
8 Henry 3,275 6,507 -3,232 9,964 3,607 5,857 -2,250 9,487 332 -650 982 -477
9 Jasper 7,737 12,084 -4,347 20,143 8,099 11,181 -3,082 19,316 362 -903 1,265 -827
10 Jefferson 4,319 4,443 -124 8,926 4,374 4,226 148 8,617 55 -217 272 -309
11 Johnson 59,177 22,925 36,252 83,570 56,129 24,101 32,028 80,298 -3,048 1,176 -4,224 -3,272
12 Keokuk 1,414 3,797 -2,383 5,291 1,571 3,461 -1,890 5,040 157 -336 493 -251
13 Lee 6,541 9,773 -3,232 16,699 6,969 9,145 -2,176 16,149 428 -628 1,056 -550
14 Louisa 1,726 3,500 -1,774 5,326 1,917 3,169 -1,252 5,096 191 -331 522 -230
15 Lucas 1,284 3,287 -2,003 4,622 1,297 2,892 -1,595 4,196 13 -395 408 -426
16 Mahaska 2,894 8,297 -5,403 11,381 3,076 7,575 -4,499 10,677 182 -722 904 -704
17 Marion 6,178 12,663 -6,485 19,173 6,124 12,146 -6,022 18,313 -54 -517 463 -860
18 Monroe 1,078 2,975 -1,897 4,085 1,203 2,612 -1,409 3,821 125 -363 488 -264
19 Muscatine 9,372 10,823 -1,451 20,629 9,731 10,279 -548 20,047 359 -544 903 -582
20 Scott 46,926 43,683 3,243 92,324 47,562 42,046 5,516 89,776 636 -1,637 2,273 -2,548
21 Van Buren 875 2,859 -1,984 3,780 941 2,759 -1,818 3,704 66 -100 166 -76
22 Wapello 5,821 9,516 -3,695 15,613 6,153 8,780 -2,627 14,969 332 -736 1,068 -644
23 Washington 4,561 6,971 -2,410 11,745 4,650 6,633 -1,983 11,306 89 -338 427 -439
24 Wayne 727 2,338 -1,611 3,103 726 2,050 -1,324 2,781 -1 -288 287 -322
25 TOTAL 193,437 209,858 -16,421 410,665 196,958 196,964 -6 394,625 3,521 -12,894 16,415 -16,040
Shift in Vote Share from President to House Race in IA-2 counties in 2020 (Percent)
COUNTY BIDEN TRUMP MARGIN1 TOTAL1 HART MEEKS MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Appanoose 29.07 69.35 -40.29 98.42 32.33 67.54 -35.21 99.87 3.26 -1.81 5.08 1.45
2 Cedar 40.61 57.69 -17.08 98.30 45.47 54.36 -8.89 99.83 4.86 -3.33 8.19 1.54
3 Clarke 31.45 67.45 -36.00 98.91 37.56 62.14 -24.59 99.70 6.10 -5.31 11.41 0.80
4 Clinton 43.88 54.23 -10.35 98.11 54.21 45.65 8.56 99.85 10.32 -8.58 18.90 1.74
5 Davis 24.71 73.97 -49.26 98.68 28.72 71.10 -42.38 99.82 4.01 -2.87 6.87 1.14
6 Decatur 29.47 68.80 -39.33 98.26 34.02 65.72 -31.70 99.75 4.56 -3.07 7.63 1.48
7 Des Moines 44.67 53.21 -8.54 97.89 48.85 50.82 -1.97 99.67 4.18 -2.39 6.57 1.79
8 Henry 32.87 65.31 -32.44 98.17 38.02 61.74 -23.72 99.76 5.15 -3.57 8.72 1.58
9 Jasper 38.41 59.99 -21.58 98.40 41.93 57.88 -15.96 99.81 3.52 -2.11 5.63 1.41
10 Jefferson 48.39 49.78 -1.39 98.16 50.76 49.04 1.72 99.80 2.37 -0.73 3.11 1.64
11 Johnson 70.81 27.43 43.38 98.24 69.90 30.01 39.89 99.92 -0.91 2.58 -3.49 1.67
12 Keokuk 26.72 71.76 -45.04 98.49 31.17 68.67 -37.50 99.84 4.45 -3.09 7.54 1.35
13 Lee 39.17 58.52 -19.35 97.69 43.15 56.63 -13.47 99.78 3.98 -1.90 5.88 2.09
14 Louisa 32.41 65.72 -33.31 98.12 37.62 62.19 -24.57 99.80 5.21 -3.53 8.74 1.68
15 Lucas 27.78 71.12 -43.34 98.90 30.91 68.92 -38.01 99.83 3.13 -2.19 5.32 0.94
16 Mahaska 25.43 72.90 -47.47 98.33 28.81 70.95 -42.14 99.76 3.38 -1.96 5.34 1.43
17 Marion 32.22 66.05 -33.82 98.27 33.44 66.32 -32.88 99.77 1.22 0.28 0.94 1.50
18 Monroe 26.39 72.83 -46.44 99.22 31.48 68.36 -36.88 99.84 5.09 -4.47 9.56 0.63
19 Muscatine 45.43 52.46 -7.03 97.90 48.54 51.27 -2.73 99.82 3.11 -1.19 4.30 1.92
20 Scott 50.83 47.31 3.51 98.14 52.98 46.83 6.14 99.81 2.15 -0.48 2.63 1.67
21 Van Buren 23.15 75.63 -52.49 98.78 25.40 74.49 -49.08 99.89 2.26 -1.15 3.40 1.11
22 Wapello 37.28 60.95 -23.67 98.23 41.10 58.65 -17.55 99.76 3.82 -2.29 6.12 1.53
23 Washington 38.83 59.35 -20.52 98.19 41.13 58.67 -17.54 99.80 2.30 -0.68 2.98 1.61
24 Wayne 23.43 75.35 -51.92 98.78 26.11 73.71 -47.61 99.82 2.68 -1.63 4.31 1.04
25 TOTAL 47.10 51.10 -4.00 98.21 49.91 49.91 0.00 99.82 2.81 -1.19 4.00 1.62
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County
Shift in Votes from Senate to House Race in IA-2 counties in 2020 (Count)
COUNTY GREENFIELD ERNST MARGIN1 TOTAL1 HART MEEKS MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Appanoose 1,956 4,189 -2,233 6,386 1,952 4,078 -2,126 6,038 -4 -111 107 -348
2 Cedar 4,300 5,935 -1,635 10,541 4,629 5,534 -905 10,180 329 -401 730 -361
3 Clarke 1,520 2,906 -1,386 4,609 1,639 2,712 -1,073 4,364 119 -194 313 -245
4 Clinton 10,942 12,559 -1,617 24,351 12,997 10,945 2,052 23,977 2,055 -1,614 3,669 -374
5 Davis 1,167 2,728 -1,561 4,041 1,129 2,795 -1,666 3,931 -38 67 -105 -110
6 Decatur 1,165 2,439 -1,274 3,740 1,215 2,347 -1,132 3,571 50 -92 142 -169
7 Des Moines 9,296 9,468 -172 19,616 9,268 9,641 -373 18,971 -28 173 -201 -645
8 Henry 3,457 5,875 -2,418 9,772 3,607 5,857 -2,250 9,487 150 -18 168 -285
9 Jasper 7,905 11,405 -3,500 20,026 8,099 11,181 -3,082 19,316 194 -224 418 -710
10 Jefferson 4,547 4,008 539 8,808 4,374 4,226 148 8,617 -173 218 -391 -191
11 Johnson 57,063 23,773 33,290 82,633 56,129 24,101 32,028 80,298 -934 328 -1,262 -2,335
12 Keokuk 1,489 3,565 -2,076 5,213 1,571 3,461 -1,890 5,040 82 -104 186 -173
13 Lee 7,445 8,489 -1,044 16,552 6,969 9,145 -2,176 16,149 -476 656 -1,132 -403
14 Louisa 1,804 3,259 -1,455 5,259 1,917 3,169 -1,252 5,096 113 -90 203 -163
15 Lucas 1,302 3,105 -1,803 4,545 1,297 2,892 -1,595 4,196 -5 -213 208 -349
16 Mahaska 2,969 7,860 -4,891 11,228 3,076 7,575 -4,499 10,677 107 -285 392 -551
17 Marion 6,269 12,211 -5,942 19,062 6,124 12,146 -6,022 18,313 -145 -65 -80 -749
18 Monroe 1,148 2,742 -1,594 4,009 1,203 2,612 -1,409 3,821 55 -130 185 -188
19 Muscatine 9,381 10,278 -897 20,441 9,731 10,279 -548 20,047 350 1 349 -394
20 Scott 45,751 42,941 2,810 91,606 47,562 42,046 5,516 89,776 1,811 -895 2,706 -1,830
21 Van Buren 1,065 2,583 -1,518 3,752 941 2,759 -1,818 3,704 -124 176 -300 -48
22 Wapello 6,344 8,464 -2,120 15,348 6,153 8,780 -2,627 14,969 -191 316 -507 -379
23 Washington 4,519 6,773 -2,254 11,654 4,650 6,633 -1,983 11,306 131 -140 271 -348
24 Wayne 784 2,186 -1,402 3,055 726 2,050 -1,324 2,781 -58 -136 78 -274
25 TOTAL 193,588 199,741 -6,153 406,247 196,958 196,964 -6 394,625 3,370 -2,777 6,147 -11,622
Shift in Vote Share from Senate to House Race in IA-2 counties in 2020 (Percent)
COUNTY GREENFIELD ERNST MARGIN1 TOTAL1 HART MEEKS MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Appanoose 30.63 65.60 -34.97 96.23 32.33 67.54 -35.21 99.87 1.70 1.94 -0.24 3.64
2 Cedar 40.79 56.30 -15.51 97.10 45.47 54.36 -8.89 99.83 4.68 -1.94 6.62 2.74
3 Clarke 32.98 63.05 -30.07 96.03 37.56 62.14 -24.59 99.70 4.58 -0.91 5.48 3.67
4 Clinton 44.93 51.57 -6.64 96.51 54.21 45.65 8.56 99.85 9.27 -5.93 15.20 3.34
5 Davis 28.88 67.51 -38.63 96.39 28.72 71.10 -42.38 99.82 -0.16 3.59 -3.75 3.43
6 Decatur 31.15 65.21 -34.06 96.36 34.02 65.72 -31.70 99.75 2.87 0.51 2.36 3.38
7 Des Moines 47.39 48.27 -0.88 95.66 48.85 50.82 -1.97 99.67 1.46 2.55 -1.09 4.02
8 Henry 35.38 60.12 -24.74 95.50 38.02 61.74 -23.72 99.76 2.64 1.62 1.03 4.26
9 Jasper 39.47 56.95 -17.48 96.42 41.93 57.88 -15.96 99.81 2.46 0.93 1.52 3.39
10 Jefferson 51.62 45.50 6.12 97.13 50.76 49.04 1.72 99.80 -0.86 3.54 -4.40 2.68
11 Johnson 69.06 28.77 40.29 97.83 69.90 30.01 39.89 99.92 0.84 1.25 -0.40 2.09
12 Keokuk 28.56 68.39 -39.82 96.95 31.17 68.67 -37.50 99.84 2.61 0.28 2.32 2.89
13 Lee 44.98 51.29 -6.31 96.27 43.15 56.63 -13.47 99.78 -1.83 5.34 -7.17 3.52
14 Louisa 34.30 61.97 -27.67 96.27 37.62 62.19 -24.57 99.80 3.31 0.22 3.10 3.53
15 Lucas 28.65 68.32 -39.67 96.96 30.91 68.92 -38.01 99.83 2.26 0.61 1.66 2.87
16 Mahaska 26.44 70.00 -43.56 96.45 28.81 70.95 -42.14 99.76 2.37 0.94 1.42 3.31
17 Marion 32.89 64.06 -31.17 96.95 33.44 66.32 -32.88 99.77 0.55 2.27 -1.71 2.82
18 Monroe 28.64 68.40 -39.76 97.03 31.48 68.36 -36.88 99.84 2.85 -0.04 2.89 2.81
19 Muscatine 45.89 50.28 -4.39 96.17 48.54 51.27 -2.73 99.82 2.65 0.99 1.65 3.64
20 Scott 49.94 46.88 3.07 96.82 52.98 46.83 6.14 99.81 3.04 -0.04 3.08 2.99
21 Van Buren 28.38 68.84 -40.46 97.23 25.40 74.49 -49.08 99.89 -2.98 5.64 -8.62 2.66
22 Wapello 41.33 55.15 -13.81 96.48 41.10 58.65 -17.55 99.76 -0.23 3.51 -3.74 3.28
23 Washington 38.78 58.12 -19.34 96.89 41.13 58.67 -17.54 99.80 2.35 0.55 1.80 2.90
24 Wayne 25.66 71.55 -45.89 97.22 26.11 73.71 -47.61 99.82 0.44 2.16 -1.72 2.60
25 TOTAL 47.65 49.17 -1.51 96.82 49.91 49.91 0.00 99.82 2.26 0.74 1.51 3.00
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County
Percent ratio of Voters for House to Registered Voters in IA-2 counties in 2020 (Percent)
COUNTY HART MEEKS MARGIN1 TOTAL1 DemActive RepActive MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH
1 Appanoose 32.33 67.54 -35.21 99.87 37.83 61.48 -23.65 99.31 61.04 78.47 106.36 71.43
2 Cedar 45.47 54.36 -8.89 99.83 42.45 56.77 -14.32 99.22 85.46 76.39 49.52 79.78
3 Clarke 37.56 62.14 -24.59 99.70 37.93 61.17 -23.23 99.10 71.92 73.80 76.87 72.64
4 Clinton 54.21 45.65 8.56 99.85 51.40 47.90 3.50 99.29 78.55 70.98 182.25 74.48
5 Davis 28.72 71.10 -42.38 99.82 40.42 59.04 -18.62 99.46 55.70 94.42 178.48 78.40
6 Decatur 34.02 65.72 -31.70 99.75 38.90 60.36 -21.47 99.26 64.21 79.92 108.39 73.40
7 Des Moines 48.85 50.82 -1.97 99.67 57.03 42.21 14.82 99.24 59.91 84.19 -9.28 69.93
8 Henry 38.02 61.74 -23.72 99.76 34.91 64.36 -29.45 99.27 79.72 70.22 58.95 73.20
9 Jasper 41.93 57.88 -15.96 99.81 48.61 50.78 -2.17 99.38 64.32 85.00 548.07 74.56
10 Jefferson 50.76 49.04 1.72 99.80 55.15 43.94 11.20 99.09 71.40 86.57 11.89 77.57
11 Johnson 69.90 30.01 39.89 99.92 73.25 25.83 47.43 99.08 76.06 92.64 67.04 79.71
12 Keokuk 31.17 68.67 -37.50 99.84 36.77 62.77 -25.99 99.54 63.58 82.07 108.22 75.01
13 Lee 43.15 56.63 -13.47 99.78 58.31 40.90 17.41 99.21 53.72 100.49 -56.18 72.58
14 Louisa 37.62 62.19 -24.57 99.80 38.10 61.39 -23.29 99.49 71.24 73.08 76.10 72.15
15 Lucas 30.91 68.92 -38.01 99.83 32.69 66.68 -33.98 99.37 69.03 75.47 81.67 73.01
16 Mahaska 28.81 70.95 -42.14 99.76 27.07 72.16 -45.09 99.23 79.95 73.85 70.19 75.11
17 Marion 33.44 66.32 -32.88 99.77 33.52 65.80 -32.28 99.31 77.78 78.58 79.41 77.95
18 Monroe 31.48 68.36 -36.88 99.84 38.31 61.00 -22.70 99.31 62.05 84.60 122.66 75.50
19 Muscatine 48.54 51.27 -2.73 99.82 49.09 50.00 -0.92 99.09 70.95 73.57 213.46 71.75
20 Scott 52.98 46.83 6.14 99.81 54.35 44.70 9.65 99.05 72.06 77.45 47.07 73.93
21 Van Buren 25.40 74.49 -49.08 99.89 25.59 73.81 -48.22 99.40 76.11 77.38 78.05 76.67
22 Wapello 41.10 58.65 -17.55 99.76 54.33 44.96 9.38 99.29 54.15 93.38 -133.95 71.57
23 Washington 41.13 58.67 -17.54 99.80 36.95 62.26 -25.31 99.21 84.40 71.45 52.54 75.82
24 Wayne 26.11 73.71 -47.61 99.82 33.59 65.83 -32.23 99.42 56.78 81.82 107.92 73.07
25 TOTAL 49.91 49.91 0.00 99.82 52.64 46.54 6.10 99.18 71.19 80.53 -0.02 75.09
Source: Iowa Secretary of State, 2020 Election Results,
General, Official Canvass by County;
Iowa Secretary of State, Voter Registration Totals by County,
December 2020, State of Iowa Voter Registration Totals - 12/1/2020, 9:04 AM;
Note: "No Party Active" registrations split between Democratic and Republican Active according to their current ratio.