Ranking of Iowa Counties By Percentage of Population that are Asian Alone in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, among all Iowa counties, Buena Vista County had the highest percentage of its population who identified their race as Asian Alone (10.34%), followed by Jefferson County (7.77%), and Story County (7.72%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are Asian Alone in 2022
Buena Vista
Jefferson
Story
Johnson
Dallas
Polk
Marshall
Louisa
Scott
Woodbury
Ranking of Iowa Counties By Percentage of Pop. that are Asian Alone in 2022
0 of 0
Rank County % of County Population
1 Buena Vista County 10.34
2 Jefferson County 7.77
3 Story County 7.72
4 Johnson County 6.31
5 Dallas County 5.3
6 Polk County 5.18
7 Marshall County 4.08
8 Louisa County 3.31
9 Scott County 3.15
10 Woodbury County 2.94
11 Black Hawk County 2.71
12 Crawford County 2.67
13 Linn County 2.61
14 Hamilton County 2.4
15 Henry County 2.35
16 Wapello County 2.25
17 Poweshiek County 1.9
18 Mahaska County 1.89
19 Floyd County 1.59
20 Marion County 1.39
21 Dubuque County 1.34
22 Des Moines County 1.33
23 Bremer County 1.24
24 Cerro Gordo County 1.21
25 Butler County 1.17
26 Page County 1.15
26 Webster County 1.15
27 Fayette County 1.13
28 Winneshiek County 1.12
29 Winnebago County 1.1
30 Dickinson County 1.08
31 Muscatine County 1.06
32 Clarke County 1.04
33 Pottawattamie County 1.03
34 Hardin County 1.02
34 Palo Alto County 1.02
35 Union County 0.95
36 Cherokee County 0.94
36 Sioux County 0.94
37 Decatur County 0.9
38 Ringgold County 0.88
39 Appanoose County 0.87
40 Madison County 0.85
41 Clay County 0.84
42 O'Brien County 0.83
42 Warren County 0.83
43 Osceola County 0.81
44 Adams County 0.78
45 Emmet County 0.76
46 Clinton County 0.72
46 Plymouth County 0.72
47 Ida County 0.71
48 Cedar County 0.7
48 Lee County 0.7
49 Greene County 0.69
50 Franklin County 0.67
50 Washington County 0.67
51 Jasper County 0.65
52 Kossuth County 0.64
52 Worth County 0.64
53 Audubon County 0.63
53 Mitchell County 0.63
53 Sac County 0.63
53 Wayne County 0.63
54 Hancock County 0.62
54 Jones County 0.62
55 Carroll County 0.61
55 Humboldt County 0.61
56 Allamakee County 0.59
56 Boone County 0.59
56 Buchanan County 0.59
56 Iowa County 0.59
56 Van Buren County 0.59
56 Wright County 0.59
57 Benton County 0.58
57 Shelby County 0.58
58 Cass County 0.53
58 Lucas County 0.53
59 Adair County 0.51
59 Tama County 0.51
60 Pocahontas County 0.5
61 Howard County 0.49
62 Monroe County 0.48
63 Davis County 0.47
63 Guthrie County 0.47
64 Jackson County 0.46
64 Taylor County 0.46
65 Lyon County 0.44
66 Fremont County 0.43
67 Mills County 0.42
68 Calhoun County 0.41
69 Montgomery County 0.4
70 Harrison County 0.39
71 Keokuk County 0.37
72 Chickasaw County 0.36
72 Delaware County 0.36
73 Grundy County 0.35
74 Monona County 0.31
75 Clayton County 0.28