Ranking of Iowa Counties By Percentage of Population that are Hispanic or Latino in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Crawford County had the highest percentage of its population who identified their ethnicity as Hispanic or Latino (27.14%), followed by Buena Vista County (24.49%), and Marshall County (20.62%).

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 2015
Crawford
Buena Vista
Marshall
Muscatine
Louisa
Woodbury
Clarke
Franklin
Wright
Wapello
Ranking of Iowa Counties By Percentage of Pop. that are Hispanic or Latino in 2015
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Rank County % of County Population
1 Crawford County 27.14
2 Buena Vista County 24.49
3 Marshall County 20.62
4 Muscatine County 17.52
5 Louisa County 15.7
5 Woodbury County 15.7
6 Clarke County 12.6
7 Franklin County 11.99
8 Wright County 10.83
9 Wapello County 10.47
10 Sioux County 10.1
11 Emmet County 9.31
12 Tama County 8.59
13 Polk County 8.03
14 Taylor County 7.77
15 Osceola County 7.76
16 Pottawattamie County 7.56
17 Scott County 6.52
18 Dallas County 6.07
19 Allamakee County 6.04
20 Hamilton County 5.89
21 Washington County 5.74
22 Johnson County 5.43
23 Webster County 4.78
24 Cerro Gordo County 4.71
25 Henry County 4.61
26 O'Brien County 4.5
27 Plymouth County 4.48
28 Black Hawk County 4.33
29 Hardin County 4.3
30 Winnebago County 4.23
31 Humboldt County 3.99
32 Hancock County 3.91
33 Pocahontas County 3.56
34 Montgomery County 3.48
35 Lee County 3.46
36 Clay County 3.45
37 Cherokee County 3.38
38 Page County 3.29
39 Story County 3.21
40 Linn County 3.12
41 Poweshiek County 3.04
42 Clinton County 3.03
43 Des Moines County 3.01
44 Jefferson County 2.9
45 Mills County 2.86
45 Union County 2.86
46 Worth County 2.81
47 Shelby County 2.75
48 Greene County 2.64
49 Sac County 2.62
50 Decatur County 2.6
51 Guthrie County 2.56
52 Warren County 2.55
53 Floyd County 2.54
54 Iowa County 2.52
55 Boone County 2.5
55 Lyon County 2.5
55 Palo Alto County 2.5
56 Fremont County 2.43
57 Monroe County 2.39
58 Dubuque County 2.35
59 Cass County 2.34
60 Carroll County 2.32
61 Fayette County 2.31
62 Ringgold County 2.25
63 Ida County 2.18
64 Winneshiek County 2.13
65 Chickasaw County 2.12
66 Kossuth County 2.11
67 Mahaska County 2.07
68 Jasper County 2.04
69 Dickinson County 1.98
70 Appanoose County 1.92
71 Clayton County 1.91
72 Marion County 1.85
73 Calhoun County 1.83
74 Jones County 1.81
75 Cedar County 1.8
76 Madison County 1.79
77 Adair County 1.75
78 Monona County 1.73
79 Lucas County 1.58
80 Harrison County 1.56
81 Buchanan County 1.54
82 Howard County 1.53
83 Bremer County 1.5
84 Keokuk County 1.47
85 Benton County 1.45
86 Wayne County 1.43
87 Delaware County 1.41
88 Jackson County 1.38
89 Van Buren County 1.37
90 Grundy County 1.31
90 Mitchell County 1.31
91 Butler County 1.26
91 Davis County 1.26
92 Adams County 1.09
93 Audubon County 1.05