Iowa Non-Hispanic Asian Alone Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic Asian Alone citizen population for Iowa was 41,050 and represented 1.35% of the total Iowa citizen population.

Among all Iowa counties, Polk had the highest Non-Hispanic Asian Alone citizen population (13.21K), followed by Johnson (4.47K), and Scott (3.09K).

In terms of percentages, Buena Vista had the highest percentage of its citizen population being Non-Hispanic Asian Alone (7.70%), followed by Johnson (3.31%), and Polk (2.94%).

The chart and table below shows the Non-Hispanic Asian Alone citizen population of each county and the percentage of each county's citizen population that were Non-Hispanic Asian 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 Asian Alone Citizen Population By County in 2018
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County Citizen Population % of County Citizen Population
Polk 13205 2.94
Johnson 4475 3.31
Scott 3090 1.84
Linn 3080 1.42
Woodbury 2415 2.47
Story 2270 2.54
Black Hawk 2075 1.61
Dallas 1510 1.89
Buena Vista 1360 7.70
Dubuque 815 0.86
Marshall 520 1.43
Hamilton 410 2.76
Cerro Gordo 380 0.90
Henry 370 1.89
Pottawattamie 335 0.37
Webster 280 0.78
Warren 240 0.49
Wapello 230 0.69
Marion 220 0.67
Muscatine 220 0.53
Clinton 215 0.46
Poweshiek 200 1.10
Jefferson 190 1.16
Bremer 165 0.68
Floyd 160 1.02
Sioux 155 0.47
Union 150 1.22
Jones 145 0.71
Lee 140 0.41
Des Moines 135 0.35
Jasper 125 0.34
Winneshiek 105 0.52
Boone 100 0.38
Madison 100 0.63
Mahaska 100 0.46
Buchanan 95 0.45
Clay 90 0.56
Plymouth 90 0.37
Crawford 85 0.57
O'Brien 85 0.62
Page 80 0.53
Fayette 75 0.38
Louisa 75 0.72
Pocahontas 75 1.11
Winnebago 70 0.67
Clayton 65 0.37
Jackson 65 0.34
Kossuth 65 0.43
Cedar 60 0.33
Washington 60 0.28
Cherokee 55 0.48
Tama 55 0.33
Allamakee 50 0.37
Davis 50 0.56
Cass 45 0.35
Delaware 45 0.26
Hardin 45 0.27
Taylor 45 0.75
Benton 40 0.16
Dickinson 40 0.24
Mitchell 40 0.38
Greene 35 0.39
Iowa 35 0.22
Shelby 35 0.30
Decatur 30 0.38
Grundy 30 0.24
Humboldt 30 0.32
Palo Alto 30 0.34
Calhoun 25 0.26
Chickasaw 25 0.21
Lyon 25 0.22
Mills 25 0.17
Audubon 20 0.36
Butler 20 0.14
Carroll 20 0.10
Emmet 20 0.22
Hancock 20 0.19
Harrison 20 0.14
Keokuk 20 0.20
Worth 20 0.27
Adair 15 0.21
Clarke 15 0.17
Guthrie 15 0.14
Adams 10 0.27
Appanoose 10 0.08
Howard 10 0.11
Ida 10 0.15
Monroe 10 0.13
Ringgold 10 0.20
Sac 10 0.10
Wright 10 0.08
Osceola 4 0.07
Van Buren 4 0.06
Wayne 4 0.06
Franklin 0 0.00
Fremont 0 0.00
Lucas 0 0.00
Monona 0 0.00
Montgomery 0 0.00