Iowa Non-Hispanic White Alone Citizen Population By County in 2020 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic White Alone citizen population for Iowa was 3,190,265 and represented 104.62% of the total Iowa citizen population.
Among all Iowa counties, Polk had the highest Non-Hispanic White Alone citizen population (372.14K), followed by Linn (191.74K), and Scott (137.14K).
In terms of percentages, Lucas had the highest percentage of its citizen population being Non-Hispanic White Alone (97.55%), followed by Grundy (97.21%), and Mitchell (97.15%).
The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen population that were Non-Hispanic White Alone.
You can see similar information for other states and by state for the United States.
You can also see similar information for other ethnicities.
| County | Citizen Population | % of County Citizen Population |
|---|---|---|
| Polk | 372140 | 80.74 |
| Linn | 191735 | 87.21 |
| Scott | 137135 | 81.01 |
| Johnson | 115940 | 83.54 |
| Black Hawk | 105200 | 83.31 |
| Dubuque | 87535 | 91.46 |
| Pottawattamie | 81295 | 88.89 |
| Story | 80360 | 89.00 |
| Dallas | 76405 | 88.46 |
| Woodbury | 73880 | 75.25 |
| Warren | 47670 | 94.15 |
| Clinton | 42440 | 91.68 |
| Cerro Gordo | 38390 | 90.81 |
| Jasper | 34490 | 94.64 |
| Des Moines | 33965 | 87.75 |
| Muscatine | 32520 | 78.96 |
| Webster | 31365 | 87.98 |
| Marion | 31310 | 95.08 |
| Lee | 30720 | 90.98 |
| Sioux | 30100 | 89.64 |
| Wapello | 28510 | 85.08 |
| Marshall | 27775 | 76.37 |
| Boone | 24845 | 94.86 |
| Benton | 24575 | 96.49 |
| Bremer | 23735 | 95.71 |
| Plymouth | 22900 | 93.43 |
| Mahaska | 20665 | 93.25 |
| Buchanan | 20280 | 96.32 |
| Washington | 19855 | 92.20 |
| Jones | 19290 | 94.26 |
| Carroll | 19050 | 95.56 |
| Winneshiek | 19030 | 96.01 |
| Jackson | 18430 | 95.67 |
| Fayette | 18340 | 94.46 |
| Cedar | 17610 | 95.89 |
| Henry | 17470 | 89.41 |
| Clayton | 16780 | 96.97 |
| Poweshiek | 16765 | 93.04 |
| Delaware | 16480 | 96.57 |
| Dickinson | 16395 | 96.24 |
| Hardin | 15485 | 92.78 |
| Madison | 15345 | 95.10 |
| Iowa | 15285 | 95.06 |
| Clay | 14980 | 93.71 |
| Jefferson | 14540 | 89.34 |
| Floyd | 14295 | 91.43 |
| Mills | 14105 | 94.60 |
| Kossuth | 13990 | 95.33 |
| Butler | 13980 | 96.88 |
| Page | 13780 | 91.68 |
| Tama | 13565 | 82.21 |
| Harrison | 13460 | 96.07 |
| Hamilton | 13245 | 90.72 |
| O'Brien | 12695 | 93.45 |
| Allamakee | 12385 | 92.15 |
| Cass | 12335 | 96.07 |
| Grundy | 11865 | 97.21 |
| Appanoose | 11815 | 95.09 |
| Buena Vista | 11595 | 67.77 |
| Union | 11535 | 94.55 |
| Chickasaw | 11420 | 96.70 |
| Lyon | 11235 | 96.65 |
| Crawford | 11055 | 74.00 |
| Wright | 10970 | 89.19 |
| Shelby | 10870 | 95.39 |
| Cherokee | 10480 | 93.20 |
| Mitchell | 10235 | 97.15 |
| Guthrie | 10155 | 96.03 |
| Hancock | 9945 | 94.00 |
| Keokuk | 9765 | 96.83 |
| Winnebago | 9535 | 91.82 |
| Montgomery | 9360 | 93.46 |
| Sac | 9180 | 95.43 |
| Calhoun | 9070 | 94.58 |
| Humboldt | 8855 | 94.61 |
| Howard | 8835 | 97.04 |
| Davis | 8675 | 96.82 |
| Louisa | 8650 | 83.17 |
| Franklin | 8530 | 87.71 |
| Greene | 8405 | 95.13 |
| Palo Alto | 8315 | 94.01 |
| Monona | 8185 | 94.35 |
| Lucas | 8175 | 97.55 |
| Emmet | 8030 | 89.02 |
| Clarke | 7660 | 85.78 |
| Monroe | 7350 | 94.78 |
| Decatur | 7270 | 93.51 |
| Worth | 6980 | 94.26 |
| Van Buren | 6820 | 96.40 |
| Adair | 6715 | 96.27 |
| Fremont | 6510 | 95.25 |
| Ida | 6495 | 95.66 |
| Pocahontas | 6225 | 94.39 |
| Wayne | 6155 | 96.25 |
| Taylor | 5550 | 92.58 |
| Osceola | 5330 | 91.50 |
| Audubon | 5305 | 96.19 |
| Ringgold | 4680 | 96.00 |
| Adams | 3500 | 96.55 |
