Iowa Non-Hispanic Asian Alone Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic Asian Alone citizen population for Iowa was 44,725 and represented 1.47% of the total Iowa citizen population.

Among all Iowa counties, Polk had the highest Non-Hispanic Asian Alone citizen population (15.41K), followed by Johnson (4.97K), and Scott (3.57K).

In terms of percentages, Buena Vista had the highest percentage of its citizen population being Non-Hispanic Asian Alone (6.63%), followed by Jefferson (3.59%), and Johnson (3.58%).

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 2020
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County Citizen Population % of County Citizen Population
Polk 15410 3.34
Johnson 4970 3.58
Scott 3570 2.11
Linn 2995 1.36
Story 2850 3.16
Dallas 2180 2.52
Woodbury 2140 2.18
Black Hawk 2125 1.68
Buena Vista 1135 6.63
Dubuque 790 0.83
Marshall 630 1.73
Jefferson 585 3.59
Cerro Gordo 465 1.10
Warren 370 0.73
Webster 370 1.04
Hamilton 365 2.50
Pottawattamie 365 0.40
Henry 350 1.79
Wapello 285 0.85
Muscatine 265 0.64
Floyd 235 1.50
Poweshiek 205 1.14
Lee 195 0.58
Bremer 190 0.77
Marion 175 0.53
Union 175 1.43
Mahaska 160 0.72
Crawford 155 1.04
Madison 155 0.96
Sioux 150 0.45
Clinton 125 0.27
Jasper 125 0.34
Des Moines 120 0.31
Plymouth 120 0.49
Carroll 115 0.58
Cedar 115 0.63
Jones 115 0.56
Clay 110 0.69
Winneshiek 105 0.53
Cherokee 100 0.89
Winnebago 95 0.92
Louisa 90 0.87
Delaware 80 0.47
Humboldt 80 0.86
Buchanan 75 0.36
Kossuth 75 0.51
Boone 70 0.27
Jackson 70 0.36
Hardin 65 0.39
Iowa 60 0.37
Page 60 0.40
Benton 55 0.22
Clayton 50 0.29
Mills 50 0.34
Allamakee 45 0.34
Davis 45 0.50
O'Brien 45 0.33
Pocahontas 45 0.68
Washington 45 0.21
Lyon 40 0.34
Tama 40 0.24
Decatur 35 0.45
Sac 35 0.36
Shelby 35 0.31
Van Buren 35 0.50
Cass 30 0.23
Dickinson 30 0.18
Howard 30 0.33
Mitchell 30 0.28
Adams 25 0.69
Calhoun 25 0.26
Fayette 25 0.13
Greene 25 0.28
Hancock 25 0.24
Worth 25 0.34
Adair 20 0.29
Butler 20 0.14
Emmet 20 0.22
Grundy 20 0.16
Harrison 20 0.14
Monroe 20 0.26
Osceola 20 0.34
Guthrie 15 0.14
Palo Alto 15 0.17
Appanoose 10 0.08
Keokuk 10 0.10
Montgomery 10 0.10
Ringgold 10 0.21
Taylor 10 0.17
Audubon 4 0.07
Chickasaw 4 0.03
Clarke 4 0.05
Ida 4 0.06
Wayne 4 0.06
Wright 4 0.03
Franklin 0 0.00
Fremont 0 0.00
Lucas 0 0.00
Monona 0 0.00