Iowa Non-Hispanic White alone Population By County in 2015

Updated on February 3, 2024.

Based on the US Census Vintage data estimates, in 2015, there were 2,702,034 people that identified as Non-Hispanic White alone in Iowa and they represented 86.53% of the total population of Iowa in 2015. Polk County had the highest number of Non-Hispanic White alone population (367,919), followed by Linn County (191,946), and Scott County (138,930). On the other hand, Adams County had the lowest number of Non-Hispanic White alone (3,636), followed by Ringgold County (4,776), and Audubon County (5,548).

When it comes to the percentage of each county's population that identified as Non-Hispanic White alone, Audubon County had the highest percentage (97.21%), followed by Delaware County (97.14%), and Davis County (97.09%).

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.

See this for other years:
Iowa Non-Hispanic White alone Population By County in 2015
Iowa Non-Hispanic White alone Population By County in 2015
Items per page:
0 of 0
County Non-Hispanic White alone Population % of County Population
Adair 6907 96.71
Adams 3636 96.91
Allamakee 12681 91.36
Appanoose 12042 95.67
Audubon 5548 97.21
Benton 24726 96.56
Black Hawk 109526 81.88
Boone 25031 94.57
Bremer 23608 95.37
Buchanan 20356 96.43
Buena Vista 12580 61.75
Butler 14403 96.79
Calhoun 9284 94.73
Carroll 19467 95.33
Cass 12811 95.93
Cedar 17523 95.98
Cerro Gordo 39225 91.21
Cherokee 10797 93.99
Chickasaw 11711 96.37
Clarke 7818 84.86
Clay 15489 93.88
Clayton 17039 96.12
Clinton 43551 91.51
Crawford 11538 67.6
Dallas 69608 86.3
Davis 8519 97.09
Decatur 7596 93.26
Delaware 16898 97.14
Des Moines 35089 87.92
Dickinson 16340 96.07
Dubuque 88559 91.36
Emmet 8565 88.23
Fayette 18989 94.27
Floyd 14744 92.61
Franklin 8878 86.04
Fremont 6598 95.49
Greene 8519 95.22
Grundy 12034 97.03
Guthrie 10168 95.45
Hamilton 13674 89.84
Hancock 10338 93.74
Hardin 15933 92.33
Harrison 13657 96.55
Henry 17626 88.74
Howard 9021 96.77
Humboldt 9001 94.13
Ida 6675 95.81
Iowa 15573 95.58
Jackson 18562 95.86
Jasper 34622 94.18
Jefferson 14517 81.04
Johnson 115340 79.48
Jones 19257 94.24
Keokuk 9852 96.88
Kossuth 14518 95.83
Lee 31825 91.15
Linn 191946 87.09
Louisa 8834 78.25
Lucas 8349 96.98
Lyon 11293 96.07
Madison 15084 95.91
Mahaska 21033 93.83
Marion 31419 94.86
Marshall 29364 72.79
Mills 14072 94.54
Mitchell 10356 97.06
Monona 8444 95.25
Monroe 7546 95.29
Montgomery 9570 94.26
Muscatine 33456 77.68
O'Brien 12976 93.17
Osceola 5550 90.08
Page 14155 91.52
Palo Alto 8611 94.24
Plymouth 23148 92.92
Pocahontas 6515 93.47
Polk 367919 78.7
Pottawattamie 82546 88.14
Poweshiek 16925 92.09
Ringgold 4776 95.94
Sac 9534 95.71
Scott 138930 80.74
Shelby 11228 95.16
Sioux 30462 87.63
Story 81680 84.43
Tama 14222 82.62
Taylor 5650 90.5
Union 11727 94.34
Van Buren 7071 96.9
Wapello 29779 84
Warren 45958 94.79
Washington 20315 91.67
Wayne 6145 96.64
Webster 32568 87.81
Winnebago 9778 92.14
Winneshiek 19784 95.32
Woodbury 76668 74.78
Worth 7096 94.58
Wright 11160 86.9