Iowa Non-Hispanic White Alone Citizen Voting-age Population By County in 2011 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2011, the Non-Hispanic White Alone citizen voting-age population for Iowa was 2,506,185 and represented 112.04% of the total Iowa citizen voting-age population.

Among all Iowa counties, Polk had the highest Non-Hispanic White Alone citizen voting-age population (265.44K), followed by Linn (145.04K), and Scott (106.65K).

In terms of percentages, Howard had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (99.16%), followed by Adair (99.08%), and Audubon (99.05%).

The chart and table below shows the Non-Hispanic White Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic White Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Iowa Non-Hispanic White Alone Citizen Voting-age Population By County in 2011
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Polk 265440 88.75
Linn 145040 93.38
Scott 106650 88.33
Black Hawk 88095 88.99
Johnson 87945 90.22
Dubuque 67000 95.43
Pottawattamie 64460 94.01
Story 63515 93.13
Woodbury 61640 88.22
Dallas 41310 94.72
Clinton 35425 95.27
Warren 32910 97.30
Cerro Gordo 32570 95.28
Des Moines 28500 92.94
Jasper 27285 96.16
Webster 27170 93.48
Muscatine 26705 89.03
Lee 25770 93.66
Marshall 25415 93.40
Wapello 24670 93.68
Marion 24010 97.09
Sioux 22510 97.17
Boone 19470 97.42
Benton 19010 98.75
Bremer 18135 97.90
Plymouth 17895 98.16
Mahaska 16200 96.98
Winneshiek 16090 97.90
Fayette 15610 97.17
Jones 15310 96.05
Washington 15280 95.80
Carroll 15260 97.82
Buchanan 14985 97.91
Jackson 14895 98.09
Henry 14225 95.57
Poweshiek 14100 95.72
Cedar 13575 97.91
Clayton 13530 98.36
Dickinson 13220 97.96
Delaware 13070 99.05
Hardin 12890 97.36
Clay 12345 97.94
Iowa 12035 97.65
Floyd 11880 97.18
Kossuth 11835 97.85
Page 11730 95.13
Tama 11670 90.19
Jefferson 11560 93.64
Butler 11245 98.99
Hamilton 11230 95.94
Buena Vista 11195 85.39
Harrison 11140 98.58
Madison 11105 98.54
Mills 10780 96.68
O'Brien 10535 97.50
Cass 10480 97.99
Allamakee 10210 97.15
Crawford 10210 92.44
Appanoose 9745 97.99
Grundy 9325 99.04
Wright 9325 96.18
Union 9250 97.63
Chickasaw 9235 98.30
Cherokee 9200 98.03
Shelby 9090 97.80
Hancock 8410 97.85
Lyon 8190 98.38
Guthrie 8175 98.32
Winnebago 8150 97.37
Mitchell 8010 98.77
Montgomery 7955 97.61
Keokuk 7900 98.63
Sac 7865 98.62
Calhoun 7470 96.76
Emmet 7410 96.67
Franklin 7390 95.91
Humboldt 7320 98.59
Louisa 7255 90.63
Palo Alto 7190 98.09
Howard 7085 99.16
Monona 7035 98.05
Greene 7015 98.39
Lucas 6495 98.34
Clarke 6370 96.74
Decatur 6115 94.73
Davis 6085 98.46
Adair 5890 99.08
Monroe 5845 97.50
Van Buren 5690 96.93
Worth 5675 97.43
Pocahontas 5615 97.57
Fremont 5565 97.38
Ida 5335 98.07
Wayne 4785 97.75
Audubon 4705 99.05
Osceola 4700 98.53
Taylor 4580 96.42
Ringgold 3820 98.84
Adams 3095 96.42