Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Asian in 2019

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2019, among all Iowa counties, Jefferson County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Asian (11.52%), followed by Buena Vista County (10.33%), and Story County (8.28%).

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 2019

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 2019

Jefferson

Buena Vista

Story

Johnson

Dallas

Polk

Marshall

Louisa

Scott

Woodbury

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Asian in 2019

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Rank	County	% of County Population
1	Jefferson County	11.52
2	Buena Vista County	10.33
3	Story County	8.28
4	Johnson County	6.46
5	Dallas County	5.11
6	Polk County	5.09
7	Marshall County	3.57
8	Louisa County	3.47
9	Scott County	2.93
10	Woodbury County	2.8
11	Black Hawk County	2.61
12	Linn County	2.58
13	Crawford County	2.45
14	Henry County	2.4
15	Hamilton County	2.31
16	Poweshiek County	2
17	Mahaska County	1.78
18	Wapello County	1.54
19	Floyd County	1.5
20	Marion County	1.41
21	Dubuque County	1.25
22	Bremer County	1.16
23	Webster County	1.14
23	Winneshiek County	1.14
24	Cerro Gordo County	1.1
25	Muscatine County	1.09
26	Des Moines County	1.07
27	Page County	1.05
28	Fayette County	1.03
29	Butler County	0.89
29	Osceola County	0.89
30	Winnebago County	0.88
31	Pottawattamie County	0.87
32	Dickinson County	0.86
33	Palo Alto County	0.85
34	Hardin County	0.84
35	Madison County	0.82
36	Decatur County	0.79
36	Sioux County	0.79
37	Union County	0.77
38	Appanoose County	0.74
39	O'Brien County	0.73
40	Clay County	0.72
41	Clarke County	0.71
41	Warren County	0.71
42	Cherokee County	0.7
42	Clinton County	0.7
43	Plymouth County	0.69
44	Audubon County	0.67
45	Jasper County	0.66
46	Washington County	0.65
47	Emmet County	0.63
48	Lee County	0.62
48	Ringgold County	0.62
49	Van Buren County	0.61
50	Worth County	0.59
51	Adams County	0.58
51	Buchanan County	0.58
52	Greene County	0.57
52	Ida County	0.57
52	Kossuth County	0.57
52	Shelby County	0.57
53	Jones County	0.56
54	Cedar County	0.53
55	Adair County	0.52
55	Franklin County	0.52
55	Wayne County	0.52
56	Iowa County	0.51
57	Carroll County	0.5
58	Hancock County	0.49
58	Wright County	0.49
59	Boone County	0.48
59	Jackson County	0.48
60	Pocahontas County	0.47
60	Sac County	0.47
61	Cass County	0.45
62	Davis County	0.44
63	Humboldt County	0.42
64	Mills County	0.41
64	Mitchell County	0.41
65	Allamakee County	0.4
65	Benton County	0.4
65	Tama County	0.4
65	Taylor County	0.4
66	Harrison County	0.39
67	Monroe County	0.38
68	Chickasaw County	0.37
68	Howard County	0.37
69	Grundy County	0.34
69	Lucas County	0.34
69	Montgomery County	0.34
70	Fremont County	0.33
70	Lyon County	0.33
71	Delaware County	0.32
72	Calhoun County	0.31
73	Guthrie County	0.3
73	Keokuk County	0.3
74	Monona County	0.28
75	Clayton County	0.23