Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Asian in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Buena Vista County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Asian (10.25%), followed by Story County (7.73%), and Jefferson County (7.49%).

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.

You may also be interested in:
Ranking of Iowa Counties By Non-Hispanic Asian Population in 2021

Related Topics: Iowa Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Asian in 2021

Buena Vista

Story

Jefferson

Johnson

Dallas

Polk

Marshall

Louisa

Scott

Woodbury

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Asian in 2021

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Rank	County	% of County Population
1	Buena Vista County	10.25
2	Story County	7.73
3	Jefferson County	7.49
4	Johnson County	6.3
5	Dallas County	5.29
6	Polk County	5.1
7	Marshall County	3.85
8	Louisa County	3.28
9	Scott County	3.05
10	Woodbury County	2.82
11	Black Hawk County	2.65
12	Linn County	2.59
13	Crawford County	2.56
14	Hamilton County	2.33
15	Henry County	2.3
16	Wapello County	1.99
17	Poweshiek County	1.94
18	Mahaska County	1.78
19	Floyd County	1.42
20	Marion County	1.4
21	Dubuque County	1.28
22	Bremer County	1.24
23	Des Moines County	1.13
24	Cerro Gordo County	1.1
24	Webster County	1.1
25	Page County	1.08
26	Butler County	1.07
27	Fayette County	1.06
27	Winneshiek County	1.06
28	Clarke County	0.98
29	Muscatine County	0.95
30	Winnebago County	0.94
31	Dickinson County	0.93
31	Palo Alto County	0.93
31	Pottawattamie County	0.93
32	Decatur County	0.87
33	Ringgold County	0.86
34	Hardin County	0.85
35	Madison County	0.83
36	Appanoose County	0.82
37	Warren County	0.79
38	Sioux County	0.78
39	Osceola County	0.76
40	Cherokee County	0.75
40	Clay County	0.75
40	Union County	0.75
41	Audubon County	0.73
42	O'Brien County	0.71
43	Clinton County	0.69
43	Emmet County	0.69
43	Jasper County	0.69
44	Greene County	0.67
45	Adams County	0.66
45	Lee County	0.66
46	Washington County	0.65
47	Plymouth County	0.64
47	Worth County	0.64
48	Ida County	0.63
49	Buchanan County	0.61
49	Kossuth County	0.61
49	Van Buren County	0.61
50	Hancock County	0.58
51	Franklin County	0.56
51	Shelby County	0.56
52	Boone County	0.53
52	Cedar County	0.53
52	Jones County	0.53
52	Mitchell County	0.53
53	Carroll County	0.52
54	Humboldt County	0.51
54	Wayne County	0.51
55	Adair County	0.49
55	Allamakee County	0.49
55	Iowa County	0.49
56	Benton County	0.48
56	Wright County	0.48
57	Pocahontas County	0.47
57	Sac County	0.47
58	Jackson County	0.45
58	Tama County	0.45
59	Cass County	0.44
59	Howard County	0.44
59	Taylor County	0.44
60	Davis County	0.42
61	Montgomery County	0.41
62	Monroe County	0.4
63	Mills County	0.39
64	Lyon County	0.36
65	Calhoun County	0.35
65	Fremont County	0.35
65	Harrison County	0.35
65	Lucas County	0.35
66	Chickasaw County	0.34
66	Delaware County	0.34
66	Grundy County	0.34
67	Guthrie County	0.3
67	Keokuk County	0.3
68	Monona County	0.29
69	Clayton County	0.21