Iowa Non-Hispanic Voting-age Population By County from Census 2020
According to the data from the US 2020 decennial Census, as at April 2020, the voting-age population, of people (of all racial backgrounds) in Iowa who identified as Non-Hispanic (not hispanic or latino) was 2,315,999; and represented 94.53% of the total Iowa voting-age population.
Polk County had the highest non-hispanic voting-age population (342.03K), followed by Linn County (171.26K), and Scott County (126.17K). On the other hand, the three counties with low non-hispanic voting-age popoulation were: Adams County (2.87K), Ringgold County (3.59K), and Taylor County (4.27K).
You can also see similar information for other states and also for the US by state.
Hover over or click on the counties in the chart below to see the number and percentage of each county's voting-age population that identified as non-hispanic. You can also see this information in a table at the bottom of the page.
| County | Non-Hispanic Voting-age Population | % of County Voting-age Population |
|---|---|---|
| Adair | 5751 | 98.58 |
| Adams | 2870 | 99.27 |
| Allamakee | 10085 | 93.54 |
| Appanoose | 9462 | 98.48 |
| Audubon | 4390 | 98.94 |
| Benton | 19202 | 98.68 |
| Black Hawk | 98537 | 96.11 |
| Boone | 20140 | 98.09 |
| Bremer | 18816 | 98.33 |
| Buchanan | 14950 | 98.68 |
| Buena Vista | 11521 | 75.17 |
| Butler | 11019 | 99.03 |
| Calhoun | 7657 | 98.09 |
| Carroll | 15394 | 97.56 |
| Cass | 10057 | 98.26 |
| Cedar | 14000 | 98.02 |
| Cerro Gordo | 32979 | 95.79 |
| Cherokee | 8819 | 96.57 |
| Chickasaw | 8881 | 96.71 |
| Clarke | 6381 | 87.03 |
| Clay | 12302 | 96.84 |
| Clayton | 13166 | 98.70 |
| Clinton | 35013 | 97.57 |
| Crawford | 9258 | 76.52 |
| Dallas | 68047 | 94.44 |
| Davis | 6289 | 98.51 |
| Decatur | 5706 | 97.16 |
| Delaware | 13204 | 98.84 |
| Des Moines | 29678 | 97.49 |
| Dickinson | 14100 | 98.38 |
| Dubuque | 74985 | 97.49 |
| Emmet | 6809 | 92.89 |
| Fayette | 14995 | 97.94 |
| Floyd | 11648 | 97.32 |
| Franklin | 6710 | 87.51 |
| Fremont | 4995 | 97.54 |
| Greene | 6662 | 97.71 |
| Grundy | 9311 | 99.13 |
| Guthrie | 8070 | 98.03 |
| Hamilton | 10691 | 92.45 |
| Hancock | 8050 | 95.78 |
| Hardin | 12558 | 96.11 |
| Harrison | 11016 | 98.64 |
| Henry | 15468 | 95.68 |
| Howard | 6945 | 97.91 |
| Humboldt | 7036 | 96.84 |
| Ida | 5242 | 97.09 |
| Iowa | 12481 | 97.79 |
| Jackson | 15108 | 99.04 |
| Jasper | 28771 | 97.71 |
| Jefferson | 12313 | 96.77 |
| Johnson | 114843 | 94.07 |
| Jones | 15902 | 97.93 |
| Keokuk | 7525 | 98.32 |
| Kossuth | 11281 | 96.81 |
| Lee | 25647 | 97.16 |
| Linn | 171257 | 96.80 |
| Louisa | 7231 | 86.37 |
| Lucas | 6476 | 97.91 |
| Lyon | 8246 | 97.16 |
| Madison | 12123 | 98.39 |
| Mahaska | 16626 | 98.19 |
| Marion | 25179 | 98.28 |
| Marshall | 24595 | 81.94 |
| Mills | 10682 | 97.78 |
| Mitchell | 7969 | 98.57 |
| Monona | 6670 | 97.77 |
| Monroe | 5735 | 98.95 |
| Montgomery | 7857 | 97.46 |
| Muscatine | 27849 | 84.99 |
| O'Brien | 10314 | 94.76 |
| Osceola | 4393 | 91.87 |
| Page | 11717 | 97.47 |
| Palo Alto | 6805 | 97.62 |
| Plymouth | 18321 | 95.35 |
| Pocahontas | 5265 | 96.20 |
| Polk | 342029 | 92.03 |
| Pottawattamie | 67111 | 93.46 |
| Poweshiek | 14667 | 97.54 |
| Ringgold | 3585 | 98.95 |
| Sac | 7409 | 97.31 |
| Scott | 126169 | 94.35 |
| Shelby | 8860 | 97.28 |
| Sioux | 23047 | 89.12 |
| Story | 78086 | 95.19 |
| Tama | 11928 | 91.82 |
| Taylor | 4270 | 94.55 |
| Union | 9109 | 97.31 |
| Van Buren | 5429 | 98.98 |
| Wapello | 24361 | 90.43 |
| Warren | 38102 | 97.50 |
| Washington | 16131 | 94.48 |
| Wayne | 4764 | 99.42 |
| Webster | 27930 | 95.64 |
| Winnebago | 8101 | 95.61 |
| Winneshiek | 15825 | 97.65 |
| Woodbury | 66986 | 85.46 |
| Worth | 5643 | 97.97 |
| Wright | 8411 | 86.42 |
