Ranking of Iowa Counties By Hispanic or Latino Population in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Hispanic or Latino (49.69K), followed by Woodbury County (19.48K), and Scott County (12.44K).

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 Hispanic or Latino Population in 2021
Polk
Woodbury
Scott
Johnson
Marshall
Linn
Pottawattamie
Muscatine
Dallas
Black Hawk
Ranking of Iowa Counties By Hispanic or Latino Population in 2021
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Rank County Hispanic or Latino Population
1 Polk County 49690
2 Woodbury County 19484
3 Scott County 12438
4 Johnson County 10401
5 Marshall County 9466
6 Linn County 9122
7 Pottawattamie County 8026
8 Muscatine County 7815
9 Dallas County 6918
10 Black Hawk County 6510
11 Buena Vista County 5957
12 Story County 5026
13 Sioux County 4934
14 Crawford County 4887
15 Wapello County 4450
16 Dubuque County 2990
17 Cerro Gordo County 2385
18 Wright County 2368
19 Webster County 2217
20 Tama County 1896
21 Warren County 1810
22 Louisa County 1710
23 Washington County 1668
24 Clinton County 1640
25 Franklin County 1599
26 Clarke County 1573
27 Plymouth County 1552
28 Hamilton County 1474
29 Des Moines County 1343
30 Allamakee County 1222
31 Jasper County 1139
32 Lee County 1137
33 Henry County 1105
34 O'Brien County 986
35 Emmet County 927
36 Hardin County 796
37 Marion County 769
38 Boone County 758
39 Clay County 733
40 Carroll County 674
41 Kossuth County 651
42 Jefferson County 650
43 Osceola County 643
44 Hancock County 616
45 Winnebago County 609
46 Poweshiek County 596
47 Floyd County 586
48 Winneshiek County 585
49 Fayette County 553
50 Iowa County 542
51 Cherokee County 541
52 Jones County 516
53 Dickinson County 512
54 Mills County 506
55 Mahaska County 504
56 Bremer County 500
57 Humboldt County 491
58 Page County 478
59 Benton County 477
60 Cedar County 472
61 Chickasaw County 466
62 Taylor County 442
63 Shelby County 414
64 Montgomery County 409
65 Lyon County 399
65 Union County 399
66 Pocahontas County 391
67 Sac County 384
68 Madison County 378
69 Clayton County 371
70 Buchanan County 368
71 Cass County 350
72 Harrison County 322
73 Palo Alto County 300
74 Guthrie County 291
75 Jackson County 290
76 Delaware County 286
77 Greene County 282
78 Howard County 281
79 Ida County 275
80 Appanoose County 263
81 Calhoun County 258
82 Lucas County 245
83 Worth County 241
84 Decatur County 236
85 Keokuk County 233
86 Butler County 226
87 Adair County 218
88 Fremont County 211
89 Monona County 209
90 Mitchell County 208
91 Grundy County 177
92 Davis County 162
93 Monroe County 154
94 Van Buren County 121
95 Audubon County 109
96 Wayne County 93
97 Ringgold County 88
98 Adams County 55