Ranking of Iowa Counties By Population with Polish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 38.95K people in Iowa with Polish ancestry. Among all Iowa counties, Polk County had the highest population with Polish ancestry (6.83K), followed by Scott County (3.56K), and Johnson County (2.85K).
The chart and table below shows the top 10 counties with high number of people with Polish ancestry.
You can see similar information for other states and for other ancestry groups in Iowa.
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Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Iowa Counties By Population with Polish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Polk County | 6827 |
| 2 | Scott County | 3564 |
| 3 | Johnson County | 2853 |
| 4 | Linn County | 2619 |
| 5 | Pottawattamie County | 1784 |
| 6 | Dallas County | 1662 |
| 7 | Woodbury County | 1638 |
| 8 | Story County | 1526 |
| 9 | Dubuque County | 1166 |
| 10 | Black Hawk County | 1085 |
| 11 | Muscatine County | 686 |
| 12 | Warren County | 590 |
| 13 | Clinton County | 566 |
| 14 | Plymouth County | 446 |
| 15 | Webster County | 409 |
| 16 | Marshall County | 387 |
| 17 | Jackson County | 377 |
| 18 | Sioux County | 351 |
| 19 | Jasper County | 338 |
| 20 | Bremer County | 327 |
| 21 | Cerro Gordo County | 323 |
| 21 | Marion County | 323 |
| 22 | Buchanan County | 312 |
| 23 | Jefferson County | 293 |
| 24 | Lee County | 277 |
| 25 | Benton County | 259 |
| 26 | Des Moines County | 258 |
| 27 | Cedar County | 257 |
| 28 | Iowa County | 232 |
| 29 | Howard County | 231 |
| 30 | Union County | 222 |
| 31 | Tama County | 216 |
| 32 | Clay County | 200 |
| 33 | Washington County | 197 |
| 34 | Boone County | 188 |
| 35 | Mahaska County | 178 |
| 36 | Harrison County | 171 |
| 37 | Clayton County | 170 |
| 38 | Poweshiek County | 169 |
| 39 | Dickinson County | 167 |
| 40 | Shelby County | 160 |
| 41 | Mills County | 159 |
| 42 | Floyd County | 154 |
| 43 | Humboldt County | 141 |
| 44 | Henry County | 138 |
| 45 | Kossuth County | 135 |
| 46 | Carroll County | 134 |
| 47 | Winneshiek County | 128 |
| 48 | Butler County | 126 |
| 49 | Cass County | 122 |
| 50 | Decatur County | 119 |
| 51 | Jones County | 117 |
| 52 | Lucas County | 116 |
| 53 | Davis County | 106 |
| 53 | Delaware County | 106 |
| 54 | Hancock County | 105 |
| 55 | Madison County | 104 |
| 56 | Montgomery County | 102 |
| 57 | Page County | 101 |
| 57 | Ringgold County | 101 |
| 58 | Monona County | 97 |
| 59 | Calhoun County | 95 |
| 59 | Lyon County | 95 |
| 60 | Crawford County | 94 |
| 60 | Keokuk County | 94 |
| 61 | Winnebago County | 91 |
| 62 | Appanoose County | 90 |
| 62 | Chickasaw County | 90 |
| 63 | Ida County | 86 |
| 64 | Fayette County | 85 |
| 65 | Louisa County | 84 |
| 66 | Cherokee County | 83 |
| 67 | Hardin County | 81 |
| 68 | Palo Alto County | 79 |
| 68 | Van Buren County | 79 |
| 69 | Adams County | 78 |
| 70 | Buena Vista County | 77 |
| 71 | Monroe County | 73 |
| 72 | Grundy County | 72 |
| 73 | Osceola County | 71 |
| 74 | Worth County | 70 |
| 75 | Fremont County | 69 |
| 76 | Guthrie County | 68 |
| 76 | Wayne County | 68 |
| 77 | Hamilton County | 62 |
| 78 | Pocahontas County | 58 |
| 79 | Greene County | 57 |
| 80 | Emmet County | 55 |
| 81 | Wapello County | 54 |
| 82 | Allamakee County | 51 |
| 82 | Franklin County | 51 |
| 83 | Wright County | 50 |
| 84 | Adair County | 49 |
| 85 | Sac County | 48 |
| 86 | Audubon County | 36 |
| 87 | Clarke County | 33 |
| 88 | Mitchell County | 27 |
| 89 | O'Brien County | 25 |
| 90 | Taylor County | 8 |