Ranking of Iowa Counties By Non-Hispanic - White Alone Population from Census 2020
Updated on March 27, 2023.
According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, Polk County had the highest number of people who identified their race as Non-Hispanic - White Alone (362.26K), followed by Linn County (187.91K), and Scott County (134.58K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.
You can see similar ranking information for other states. You can also see similar rankings of counties for other ethnicities as well as for the different racial groups in Iowa.
You can also see similar ranking for all counties in the United States.
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Related Topics: Iowa Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Iowa Counties By
Non-Hispanic - White Alone Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | Polk County | 362260 |
| 2 | Linn County | 187911 |
| 3 | Scott County | 134578 |
| 4 | Johnson County | 114491 |
| 5 | Black Hawk County | 101150 |
| 6 | Dubuque County | 87349 |
| 7 | Dallas County | 81708 |
| 8 | Story County | 79944 |
| 9 | Pottawattamie County | 79181 |
| 10 | Woodbury County | 72237 |
| 11 | Warren County | 47897 |
| 12 | Clinton County | 41226 |
| 13 | Cerro Gordo County | 37819 |
| 14 | Jasper County | 34445 |
| 15 | Des Moines County | 32753 |
| 16 | Muscatine County | 32633 |
| 17 | Webster County | 31372 |
| 18 | Marion County | 30918 |
| 19 | Sioux County | 29919 |
| 20 | Lee County | 29888 |
| 21 | Marshall County | 27438 |
| 22 | Wapello County | 27295 |
| 23 | Boone County | 24720 |
| 24 | Benton County | 24077 |
| 25 | Bremer County | 23403 |
| 26 | Plymouth County | 22941 |
| 27 | Mahaska County | 20259 |
| 28 | Washington County | 19958 |
| 29 | Buchanan County | 19565 |
| 30 | Carroll County | 19409 |
| 31 | Jones County | 19002 |
| 32 | Winneshiek County | 18705 |
| 33 | Jackson County | 18369 |
| 34 | Fayette County | 18053 |
| 35 | Henry County | 17643 |
| 36 | Cedar County | 17334 |
| 37 | Poweshiek County | 17004 |
| 38 | Dickinson County | 16709 |
| 39 | Delaware County | 16706 |
| 40 | Clayton County | 16111 |
| 41 | Madison County | 15504 |
| 42 | Iowa County | 15394 |
| 43 | Hardin County | 15292 |
| 44 | Clay County | 15025 |
| 45 | Floyd County | 13907 |
| 46 | Harrison County | 13818 |
| 47 | Kossuth County | 13758 |
| 48 | Butler County | 13751 |
| 49 | Page County | 13686 |
| 50 | Jefferson County | 13425 |
| 51 | Mills County | 13330 |
| 52 | Tama County | 13284 |
| 53 | Hamilton County | 12702 |
| 54 | O'Brien County | 12609 |
| 55 | Allamakee County | 12401 |
| 56 | Cass County | 12317 |
| 57 | Grundy County | 11791 |
| 58 | Appanoose County | 11586 |
| 59 | Buena Vista County | 11377 |
| 60 | Union County | 11223 |
| 61 | Lyon County | 11175 |
| 62 | Chickasaw County | 11173 |
| 63 | Shelby County | 10890 |
| 64 | Cherokee County | 10668 |
| 65 | Crawford County | 10625 |
| 66 | Wright County | 10107 |
| 67 | Mitchell County | 10080 |
| 68 | Guthrie County | 9960 |
| 69 | Hancock County | 9813 |
| 70 | Montgomery County | 9603 |
| 71 | Keokuk County | 9476 |
| 72 | Winnebago County | 9472 |
| 73 | Calhoun County | 9261 |
| 74 | Sac County | 9161 |
| 75 | Howard County | 8890 |
| 76 | Humboldt County | 8823 |
| 77 | Davis County | 8735 |
| 78 | Louisa County | 8485 |
| 79 | Palo Alto County | 8391 |
| 80 | Greene County | 8188 |
| 81 | Lucas County | 8154 |
| 82 | Emmet County | 8134 |
| 83 | Monona County | 8051 |
| 84 | Franklin County | 8034 |
| 85 | Clarke County | 7837 |
| 86 | Monroe County | 7192 |
| 87 | Adair County | 7066 |
| 88 | Decatur County | 7010 |
| 89 | Worth County | 6946 |
| 90 | Van Buren County | 6878 |
| 91 | Ida County | 6554 |
| 92 | Pocahontas County | 6383 |
| 93 | Wayne County | 6228 |
| 94 | Fremont County | 6145 |
| 95 | Audubon County | 5443 |
| 96 | Osceola County | 5341 |
| 97 | Taylor County | 5304 |
| 98 | Ringgold County | 4447 |
| 99 | Adams County | 3518 |