Ranking of Iowa Counties By Hispanic or Latino Voting-age Population from Census 2020

Updated on August 28, 2023.

According to the data from the United States 2020 decennial Census, in April 2020, among all of Iowa counties, Polk County had the highest voting-age population who identified as Hispanic or Latino (29.63K), followed by Woodbury County (11.40K), and Scott County (7.56K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on the voting-age population who identified as hispanic or latino.

You can see similar ranking information for other states and also for the different racial groups in Iowa.

Ranking of Iowa Counties By Hispanic or Latino Voting-age Population from Census 2020
Polk
Woodbury
Scott
Johnson
Linn
Marshall
Muscatine
Pottawattamie
Dallas
Black Hawk
Ranking of Iowa Counties By Hispanic or Latino Voting-age Population from Census 2020
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Rank County Hispanic or Latino Voting-age Population
1 Polk County 29626
2 Woodbury County 11398
3 Scott County 7562
4 Johnson County 7241
5 Linn County 5654
6 Marshall County 5422
7 Muscatine County 4918
8 Pottawattamie County 4699
9 Dallas County 4003
10 Black Hawk County 3990
11 Story County 3945
12 Buena Vista County 3806
13 Crawford County 2841
14 Sioux County 2814
15 Wapello County 2579
16 Dubuque County 1931
17 Cerro Gordo County 1451
18 Wright County 1322
19 Webster County 1274
20 Louisa County 1141
21 Tama County 1062
22 Warren County 978
23 Franklin County 958
24 Clarke County 951
25 Washington County 942
26 Plymouth County 894
27 Clinton County 874
28 Hamilton County 873
29 Des Moines County 764
30 Lee County 751
31 Henry County 699
32 Allamakee County 697
33 Jasper County 675
34 O'Brien County 570
35 Emmet County 521
36 Hardin County 508
37 Marion County 441
38 Jefferson County 411
39 Clay County 402
40 Boone County 393
41 Osceola County 389
42 Carroll County 385
43 Winneshiek County 381
44 Kossuth County 372
44 Winnebago County 372
45 Poweshiek County 370
46 Hancock County 355
47 Jones County 337
48 Floyd County 321
49 Bremer County 319
50 Fayette County 315
51 Cherokee County 313
52 Mahaska County 307
53 Page County 304
54 Chickasaw County 302
55 Cedar County 283
56 Iowa County 282
57 Benton County 256
58 Union County 252
59 Shelby County 248
60 Taylor County 246
61 Mills County 243
62 Lyon County 241
63 Dickinson County 232
64 Humboldt County 230
65 Pocahontas County 208
66 Montgomery County 205
66 Sac County 205
67 Buchanan County 200
68 Madison County 198
69 Cass County 178
70 Clayton County 173
71 Decatur County 167
72 Palo Alto County 166
73 Guthrie County 162
74 Ida County 157
75 Greene County 156
76 Delaware County 155
77 Harrison County 152
77 Monona County 152
78 Calhoun County 149
79 Howard County 148
80 Appanoose County 146
80 Jackson County 146
81 Lucas County 138
82 Keokuk County 129
83 Fremont County 126
84 Worth County 117
85 Mitchell County 116
86 Butler County 108
87 Davis County 95
88 Adair County 83
89 Grundy County 82
90 Monroe County 61
91 Van Buren County 56
92 Audubon County 47
93 Ringgold County 38
94 Wayne County 28
95 Adams County 21