Ranking of Iowa Counties By Population with Dutch Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 114.55K people in Iowa with Dutch ancestry. Among all Iowa counties, Sioux County had the highest population with Dutch ancestry (16.18K), followed by Polk County (14.83K), and Marion County (5.84K).
The chart and table below shows the top 10 counties with high number of people with Dutch 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 Dutch Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Sioux County | 16177 |
| 2 | Polk County | 14833 |
| 3 | Marion County | 5839 |
| 4 | Jasper County | 4858 |
| 5 | Linn County | 4486 |
| 6 | Lyon County | 3690 |
| 7 | Mahaska County | 3306 |
| 8 | Woodbury County | 3219 |
| 9 | Scott County | 3138 |
| 10 | O'Brien County | 3124 |
| 11 | Johnson County | 3037 |
| 12 | Dallas County | 2710 |
| 13 | Story County | 2699 |
| 14 | Black Hawk County | 2248 |
| 15 | Warren County | 1962 |
| 16 | Plymouth County | 1769 |
| 17 | Clinton County | 1735 |
| 18 | Pottawattamie County | 1622 |
| 19 | Wapello County | 1618 |
| 20 | Dubuque County | 1552 |
| 21 | Poweshiek County | 1500 |
| 22 | Cerro Gordo County | 1111 |
| 23 | Boone County | 1009 |
| 24 | Osceola County | 974 |
| 25 | Dickinson County | 966 |
| 26 | Des Moines County | 884 |
| 27 | Marshall County | 877 |
| 28 | Muscatine County | 771 |
| 29 | Davis County | 726 |
| 30 | Butler County | 674 |
| 31 | Webster County | 670 |
| 32 | Washington County | 634 |
| 33 | Iowa County | 614 |
| 34 | Clay County | 571 |
| 35 | Benton County | 564 |
| 36 | Mills County | 548 |
| 37 | Madison County | 513 |
| 38 | Monroe County | 510 |
| 39 | Keokuk County | 504 |
| 40 | Cherokee County | 501 |
| 41 | Bremer County | 475 |
| 41 | Grundy County | 475 |
| 42 | Wayne County | 473 |
| 43 | Buchanan County | 451 |
| 44 | Henry County | 436 |
| 45 | Winnebago County | 433 |
| 46 | Jones County | 424 |
| 47 | Union County | 419 |
| 48 | Buena Vista County | 416 |
| 49 | Sac County | 415 |
| 50 | Jefferson County | 391 |
| 51 | Harrison County | 387 |
| 52 | Hardin County | 381 |
| 53 | Cass County | 379 |
| 54 | Lee County | 377 |
| 55 | Kossuth County | 371 |
| 56 | Appanoose County | 358 |
| 57 | Hancock County | 354 |
| 58 | Clarke County | 352 |
| 59 | Page County | 329 |
| 60 | Cedar County | 315 |
| 61 | Fayette County | 308 |
| 62 | Floyd County | 304 |
| 62 | Van Buren County | 304 |
| 63 | Guthrie County | 279 |
| 64 | Wright County | 276 |
| 65 | Lucas County | 266 |
| 65 | Tama County | 266 |
| 66 | Carroll County | 260 |
| 67 | Hamilton County | 257 |
| 68 | Monona County | 245 |
| 69 | Crawford County | 244 |
| 69 | Franklin County | 244 |
| 70 | Emmet County | 240 |
| 71 | Howard County | 222 |
| 72 | Delaware County | 221 |
| 73 | Palo Alto County | 212 |
| 74 | Mitchell County | 207 |
| 75 | Chickasaw County | 201 |
| 76 | Ida County | 200 |
| 77 | Greene County | 193 |
| 78 | Calhoun County | 190 |
| 79 | Decatur County | 187 |
| 80 | Adair County | 166 |
| 81 | Worth County | 161 |
| 82 | Clayton County | 155 |
| 83 | Montgomery County | 153 |
| 84 | Audubon County | 142 |
| 85 | Winneshiek County | 139 |
| 86 | Humboldt County | 136 |
| 87 | Allamakee County | 131 |
| 88 | Jackson County | 129 |
| 89 | Louisa County | 126 |
| 90 | Pocahontas County | 117 |
| 91 | Taylor County | 113 |
| 92 | Fremont County | 110 |
| 93 | Ringgold County | 108 |
| 94 | Shelby County | 94 |
| 95 | Adams County | 86 |