Iowa Non-Hispanic White alone Population By County in 2017
Based on the US Census Vintage data estimates, in 2017, there were 2,692,727 people that identified as Non-Hispanic White alone in Iowa and they represented 85.65% of the total population of Iowa in 2017. Polk County had the highest number of Non-Hispanic White alone population (373,214), followed by Linn County (192,917), and Scott County (138,046). On the other hand, Adams County had the lowest number of Non-Hispanic White alone (3,532), followed by Ringgold County (4,803), and Audubon County (5,360).
When it comes to the percentage of each county's population that identified as Non-Hispanic White alone, Grundy County had the highest percentage (97.02%), followed by Davis County (96.91%), and Mitchell County (96.9%).
You can see similar information for other ethnicity and racial groups in Iowa.
You can also see similar information for other states and also by state for the United States.
Hover over or click on the counties to see the number and percentage of each county's Non-Hispanic White alone population. The data can also be filtered, sorted, and explored further in a table below.
| County | Non-Hispanic White alone Population | % of County Population |
|---|---|---|
| Adair | 6767 | 96.03 |
| Adams | 3532 | 96.64 |
| Allamakee | 12501 | 90.51 |
| Appanoose | 11776 | 95.22 |
| Audubon | 5360 | 96.58 |
| Benton | 24707 | 96.32 |
| Black Hawk | 107295 | 81.11 |
| Boone | 24983 | 94.28 |
| Bremer | 23640 | 95.09 |
| Buchanan | 20335 | 96.22 |
| Buena Vista | 11894 | 59.02 |
| Butler | 14075 | 96.45 |
| Calhoun | 9181 | 94.36 |
| Carroll | 19221 | 94.89 |
| Cass | 12521 | 95.18 |
| Cedar | 17663 | 95.54 |
| Cerro Gordo | 38974 | 90.57 |
| Cherokee | 10573 | 93.44 |
| Chickasaw | 11484 | 95.64 |
| Clarke | 7733 | 82.31 |
| Clay | 15095 | 93.46 |
| Clayton | 16937 | 95.98 |
| Clinton | 42696 | 90.99 |
| Crawford | 11239 | 65.86 |
| Dallas | 74622 | 85.56 |
| Davis | 8692 | 96.91 |
| Decatur | 7376 | 92.71 |
| Delaware | 16548 | 96.55 |
| Des Moines | 34384 | 87.27 |
| Dickinson | 16421 | 95.65 |
| Dubuque | 87952 | 90.52 |
| Emmet | 8230 | 87.29 |
| Fayette | 18496 | 93.98 |
| Floyd | 14447 | 91.56 |
| Franklin | 8641 | 85.13 |
| Fremont | 6572 | 94.88 |
| Greene | 8481 | 94.67 |
| Grundy | 11929 | 97.02 |
| Guthrie | 10120 | 95.01 |
| Hamilton | 13437 | 89.38 |
| Hancock | 10043 | 93.32 |
| Hardin | 15728 | 92.11 |
| Harrison | 13575 | 96.17 |
| Henry | 17683 | 88.17 |
| Howard | 8913 | 96.51 |
| Humboldt | 8940 | 93.44 |
| Ida | 6571 | 95.73 |
| Iowa | 15370 | 95.24 |
| Jackson | 18466 | 95.3 |
| Jasper | 34662 | 93.69 |
| Jefferson | 14695 | 81.15 |
| Johnson | 117215 | 78.3 |
| Jones | 19325 | 93.77 |
| Keokuk | 9779 | 96.4 |
| Kossuth | 14130 | 94.61 |
| Lee | 31092 | 90.81 |
| Linn | 192917 | 85.91 |
| Louisa | 8764 | 78.23 |
| Lucas | 8226 | 96.36 |
| Lyon | 11270 | 95.58 |
| Madison | 15242 | 95.23 |
| Mahaska | 20859 | 93.03 |
| Marion | 31328 | 94.63 |
| Marshall | 28283 | 70.62 |
| Mills | 14168 | 94.08 |
| Mitchell | 10217 | 96.9 |
| Monona | 8262 | 94.74 |
| Monroe | 7339 | 94.31 |
| Montgomery | 9477 | 93.66 |
| Muscatine | 33042 | 77.16 |
| O'Brien | 12747 | 92.52 |
| Osceola | 5385 | 89.39 |
| Page | 13896 | 91.1 |
| Palo Alto | 8435 | 93.26 |
| Plymouth | 23011 | 91.85 |
| Pocahontas | 6340 | 92.83 |
| Polk | 373214 | 77.6 |
| Pottawattamie | 81959 | 87.6 |
| Poweshiek | 16800 | 91.51 |
| Ringgold | 4803 | 95.51 |
| Sac | 9321 | 95.14 |
| Scott | 138046 | 79.94 |
| Shelby | 10968 | 94.68 |
| Sioux | 30298 | 87.1 |
| Story | 81552 | 83.79 |
| Tama | 13750 | 80.69 |
| Taylor | 5514 | 90.2 |
| Union | 11713 | 93.91 |
| Van Buren | 6899 | 96.42 |
| Wapello | 28890 | 82.44 |
| Warren | 47199 | 94.23 |
| Washington | 20224 | 90.95 |
| Wayne | 6235 | 96.1 |
| Webster | 31799 | 86.76 |
| Winnebago | 9666 | 91.34 |
| Winneshiek | 19167 | 95.17 |
| Woodbury | 74836 | 73.3 |
| Worth | 7024 | 94.21 |
| Wright | 10925 | 85.63 |