Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Asian 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 ethnicity as Non-Hispanic Asian (11.98%), followed by Buena Vista County (9.69%), and Story County (8.34%).

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 Non-Hispanic Asian in 2017
Jefferson
Buena Vista
Story
Johnson
Polk
Dallas
Louisa
Marshall
Scott
Woodbury
Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Asian in 2017
0 of 0
Rank County % of County Population
1 Jefferson County 11.98
2 Buena Vista County 9.69
3 Story County 8.34
4 Johnson County 6.5
5 Polk County 4.87
6 Dallas County 4.77
7 Louisa County 3.87
8 Marshall County 3.5
9 Scott County 2.87
10 Woodbury County 2.74
11 Linn County 2.45
12 Henry County 2.44
13 Black Hawk County 2.39
14 Crawford County 2.26
15 Hamilton County 2.21
16 Poweshiek County 2
17 Mahaska County 1.62
18 Marion County 1.4
19 Floyd County 1.34
20 Dubuque County 1.31
21 Webster County 1.13
22 Winneshiek County 1.07
23 Bremer County 1.04
23 Muscatine County 1.04
24 Cerro Gordo County 1.02
24 Page County 1.02
25 Des Moines County 0.99
25 Fayette County 0.99
25 Wapello County 0.99
26 Winnebago County 0.92
27 Sioux County 0.85
28 Pottawattamie County 0.82
29 Dickinson County 0.8
30 O'Brien County 0.76
30 Osceola County 0.76
31 Palo Alto County 0.74
32 Butler County 0.72
32 Hardin County 0.72
33 Clay County 0.71
33 Union County 0.71
34 Plymouth County 0.7
35 Adams County 0.68
36 Appanoose County 0.67
36 Jasper County 0.67
36 Madison County 0.67
37 Clarke County 0.66
37 Ida County 0.66
37 Warren County 0.66
38 Clinton County 0.65
38 Decatur County 0.65
39 Cherokee County 0.63
40 Jones County 0.6
41 Kossuth County 0.59
42 Emmet County 0.58
42 Worth County 0.58
43 Cedar County 0.57
43 Lee County 0.57
43 Van Buren County 0.57
44 Buchanan County 0.55
45 Ringgold County 0.54
45 Washington County 0.54
46 Greene County 0.53
46 Hancock County 0.53
47 Adair County 0.51
47 Audubon County 0.51
47 Wayne County 0.51
48 Shelby County 0.5
49 Boone County 0.48
49 Carroll County 0.48
50 Franklin County 0.46
51 Allamakee County 0.43
51 Iowa County 0.43
51 Mills County 0.43
51 Pocahontas County 0.43
51 Tama County 0.43
52 Monroe County 0.42
53 Benton County 0.41
53 Humboldt County 0.41
53 Montgomery County 0.41
54 Fremont County 0.39
54 Taylor County 0.39
55 Wright County 0.38
56 Mitchell County 0.37
57 Davis County 0.36
57 Jackson County 0.36
58 Cass County 0.33
58 Chickasaw County 0.33
58 Delaware County 0.33
58 Harrison County 0.33
58 Sac County 0.33
59 Grundy County 0.32
60 Howard County 0.31
61 Lyon County 0.3
61 Monona County 0.3
62 Guthrie County 0.29
63 Calhoun County 0.28
63 Lucas County 0.28
64 Keokuk County 0.26
65 Clayton County 0.23