Ranking of Iowa Counties By Percentage of Population that are Hispanic or Latino in 2010

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2010, among all Iowa counties, Crawford County had the highest percentage of its population who identified their ethnicity as Hispanic or Latino (24.54%), followed by Buena Vista County (22.92%), and Marshall County (17.53%).

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 Hispanic or Latino in 2010
Crawford
Buena Vista
Marshall
Muscatine
Louisa
Woodbury
Franklin
Clarke
Wright
Wapello
Ranking of Iowa Counties By Percentage of Pop. that are Hispanic or Latino in 2010
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Rank County % of County Population
1 Crawford County 24.54
2 Buena Vista County 22.92
3 Marshall County 17.53
4 Muscatine County 15.99
5 Louisa County 15.81
6 Woodbury County 13.86
7 Franklin County 11.27
8 Clarke County 10.3
9 Wright County 9.65
10 Wapello County 9.22
11 Sioux County 8.99
12 Polk County 7.61
13 Emmet County 7.57
14 Tama County 7.39
15 Osceola County 6.71
16 Pottawattamie County 6.65
17 Dallas County 6.11
18 Taylor County 5.87
19 Scott County 5.61
20 Allamakee County 5.49
21 Washington County 5.24
22 Hamilton County 4.99
23 Johnson County 4.81
24 Henry County 3.9
25 Cerro Gordo County 3.84
25 O'Brien County 3.84
26 Webster County 3.82
27 Black Hawk County 3.78
28 Hardin County 3.72
29 Humboldt County 3.55
30 Hancock County 3.54
31 Winnebago County 3.36
32 Story County 3.07
33 Lee County 3.06
34 Plymouth County 3
35 Montgomery County 2.98
36 Clay County 2.81
37 Page County 2.72
38 Linn County 2.64
39 Clinton County 2.56
39 Fremont County 2.56
40 Des Moines County 2.55
41 Poweshiek County 2.45
42 Jefferson County 2.42
43 Mills County 2.41
44 Pocahontas County 2.31
45 Cherokee County 2.3
46 Monroe County 2.23
47 Decatur County 2.22
48 Chickasaw County 2.17
49 Floyd County 2.07
50 Worth County 1.98
51 Boone County 1.97
51 Winneshiek County 1.97
52 Sac County 1.96
52 Warren County 1.96
53 Dubuque County 1.94
54 Cass County 1.92
55 Iowa County 1.91
56 Guthrie County 1.89
56 Lyon County 1.89
57 Greene County 1.87
58 Fayette County 1.84
58 Ringgold County 1.84
58 Union County 1.84
59 Shelby County 1.81
60 Clayton County 1.7
61 Mahaska County 1.65
62 Palo Alto County 1.64
63 Carroll County 1.61
64 Marion County 1.6
65 Cedar County 1.58
66 Ida County 1.49
67 Kossuth County 1.47
68 Jasper County 1.46
69 Appanoose County 1.42
70 Jones County 1.36
71 Adair County 1.35
72 Howard County 1.32
72 Madison County 1.32
73 Harrison County 1.27
74 Van Buren County 1.24
75 Monona County 1.23
76 Calhoun County 1.21
77 Buchanan County 1.17
78 Jackson County 1.16
79 Dickinson County 1.13
80 Benton County 1.09
81 Wayne County 1.08
82 Lucas County 1.03
83 Davis County 1.02
83 Mitchell County 1.02
84 Bremer County 1.01
85 Grundy County 0.98
86 Butler County 0.93
87 Adams County 0.92
88 Keokuk County 0.9
89 Delaware County 0.82
90 Audubon County 0.69