Iowa Asian Alone Population By County in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the Asian Alone population in Iowa was 86,554 and represented 2.71% of the total Iowa population (3,190,904).

Among Iowa counties, Polk County had the highest number of people who identified as Asian Alone (25,335), followed by Johnson County (9,873), and Story County (7,833). Adams County had the lowest (24).

In the map below, we show the number and percentage of each county's Asian Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

You can also see similar information for other racial and ethnicity groups in Iowa.

See this for other years:
Iowa Asian Alone Population By County in 2020
Iowa Asian Alone Population By County in 2020
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County Asian Alone Population % of County Population
Adair 37 0.49
Adams 24 0.65
Allamakee 68 0.48
Appanoose 107 0.87
Audubon 35 0.62
Benton 122 0.48
Black Hawk 3515 2.68
Boone 140 0.52
Bremer 321 1.28
Buchanan 123 0.6
Buena Vista 2257 10.85
Butler 142 0.99
Calhoun 36 0.36
Carroll 119 0.57
Cass 58 0.44
Cedar 102 0.55
Cerro Gordo 515 1.2
Cherokee 82 0.7
Chickasaw 44 0.37
Clarke 94 0.97
Clay 131 0.8
Clayton 45 0.26
Clinton 334 0.72
Crawford 460 2.79
Dallas 5265 5.24
Davis 39 0.43
Decatur 70 0.92
Delaware 61 0.35
Des Moines 437 1.13
Dickinson 169 0.95
Dubuque 1324 1.33
Emmet 61 0.65
Fayette 203 1.04
Floyd 249 1.6
Franklin 65 0.65
Fremont 27 0.41
Greene 57 0.65
Grundy 44 0.36
Guthrie 36 0.34
Hamilton 363 2.42
Hancock 66 0.61
Hardin 172 1.02
Harrison 54 0.37
Henry 517 2.53
Howard 42 0.44
Humboldt 51 0.53
Ida 40 0.57
Iowa 93 0.56
Jackson 97 0.5
Jasper 254 0.67
Jefferson 1241 7.91
Johnson 9873 6.45
Jones 128 0.62
Keokuk 34 0.34
Kossuth 90 0.61
Lee 221 0.66
Linn 6037 2.62
Louisa 395 3.65
Lucas 36 0.42
Lyon 47 0.39
Madison 144 0.87
Mahaska 406 1.83
Marion 480 1.44
Marshall 1550 3.87
Mills 58 0.4
Mitchell 51 0.48
Monona 27 0.31
Monroe 31 0.41
Montgomery 39 0.38
Muscatine 481 1.12
O'Brien 112 0.79
Osceola 52 0.84
Page 165 1.09
Palo Alto 86 0.96
Plymouth 170 0.66
Pocahontas 32 0.45
Polk 25335 5.14
Pottawattamie 934 1
Poweshiek 374 2.01
Ringgold 36 0.78
Sac 53 0.54
Scott 5326 3.05
Shelby 69 0.59
Sioux 311 0.87
Story 7833 7.94
Tama 82 0.48
Taylor 27 0.46
Union 91 0.75
Van Buren 44 0.61
Wapello 679 1.92
Warren 416 0.79
Washington 142 0.63
Wayne 36 0.55
Webster 413 1.12
Winnebago 97 0.91
Winneshiek 218 1.09
Woodbury 3160 2.98
Worth 50 0.67
Wright 75 0.58