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
County
Non-Hispanic White alone Population
% of County Population
Polk 367,919 78.7
Linn 191,946 87.09
Scott 138,930 80.74
Johnson 115,340 79.48
Black Hawk 109,526 81.88
Dubuque 88,559 91.36
Pottawattamie 82,546 88.14
Story 81,680 84.43
Woodbury 76,668 74.78
Dallas 69,608 86.3
Warren 45,958 94.79
Clinton 43,551 91.51
Cerro Gordo 39,225 91.21
Des Moines 35,089 87.92
Jasper 34,622 94.18
Muscatine 33,456 77.68
Webster 32,568 87.81
Lee 31,825 91.15
Marion 31,419 94.86
Sioux 30,462 87.63
Wapello 29,779 84
Marshall 29,364 72.79
Boone 25,031 94.57
Benton 24,726 96.56
Bremer 23,608 95.37
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