Ranking of Iowa Counties By Percentage of Population that are Asian Alone in 2017

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Jefferson County had the highest percentage of its population who identified their race as Asian Alone (12.06%), followed by Buena Vista County (10%), and Story County (8.39%).

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 2017
Jefferson
Buena Vista
Story
Johnson
Polk
Dallas
Louisa
Marshall
Scott
Woodbury
Ranking of Iowa Counties By Percentage of Pop. that are Asian Alone in 2017
0 of 0
Rank County % of County Population
1 Jefferson County 12.06
2 Buena Vista County 10
3 Story County 8.39
4 Johnson County 6.57
5 Polk County 4.92
6 Dallas County 4.82
7 Louisa County 4.06
8 Marshall County 3.61
9 Scott County 2.92
10 Woodbury County 2.86
11 Henry County 2.53
12 Crawford County 2.49
12 Linn County 2.49
13 Black Hawk County 2.43
14 Hamilton County 2.22
15 Poweshiek County 2.06
16 Mahaska County 1.64
17 Floyd County 1.46
18 Marion County 1.4
19 Dubuque County 1.35
20 Webster County 1.16
21 Muscatine County 1.14
22 Winneshiek County 1.13
23 Wapello County 1.09
24 Cerro Gordo County 1.08
25 Bremer County 1.05
25 Page County 1.05
26 Des Moines County 1.01
26 Fayette County 1.01
27 Winnebago County 0.96
28 Sioux County 0.93
29 Pottawattamie County 0.9
30 Hardin County 0.85
31 Dickinson County 0.82
32 Palo Alto County 0.79
33 O'Brien County 0.78
34 Clarke County 0.77
35 Clay County 0.76
35 Osceola County 0.76
36 Plymouth County 0.75
37 Butler County 0.74
38 Union County 0.73
39 Appanoose County 0.72
39 Decatur County 0.72
40 Adams County 0.71
41 Ida County 0.7
42 Madison County 0.68
43 Clinton County 0.67
43 Jasper County 0.67
43 Warren County 0.67
44 Cherokee County 0.63
45 Emmet County 0.62
45 Jones County 0.62
45 Worth County 0.62
46 Kossuth County 0.61
47 Cedar County 0.6
47 Ringgold County 0.6
48 Lee County 0.59
49 Van Buren County 0.57
50 Buchanan County 0.56
50 Wayne County 0.56
51 Hancock County 0.55
52 Franklin County 0.54
52 Shelby County 0.54
52 Washington County 0.54
53 Adair County 0.53
53 Greene County 0.53
54 Audubon County 0.51
54 Humboldt County 0.51
55 Boone County 0.5
55 Carroll County 0.5
56 Allamakee County 0.49
56 Wright County 0.49
57 Taylor County 0.47
58 Fremont County 0.46
58 Tama County 0.46
59 Monroe County 0.45
59 Montgomery County 0.45
60 Iowa County 0.44
60 Pocahontas County 0.44
61 Mills County 0.43
62 Benton County 0.41
63 Jackson County 0.38
63 Mitchell County 0.38
63 Sac County 0.38
64 Delaware County 0.37
65 Davis County 0.36
66 Cass County 0.35
66 Guthrie County 0.35
67 Chickasaw County 0.34
67 Grundy County 0.34
67 Harrison County 0.34
68 Calhoun County 0.31
68 Howard County 0.31
68 Lyon County 0.31
69 Monona County 0.3
70 Keokuk County 0.29
71 Lucas County 0.28
72 Clayton County 0.24