Ranking of Iowa Counties By Hispanic or Latino Population in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Hispanic or Latino (37.54K), followed by Woodbury County (16.10K), and Scott County (11.22K).

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 2015
Polk
Woodbury
Scott
Marshall
Johnson
Muscatine
Pottawattamie
Linn
Black Hawk
Buena Vista
Ranking of Iowa Counties By Hispanic or Latino Population in 2015
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Rank County Hispanic or Latino Population
1 Polk County 37540
2 Woodbury County 16095
3 Scott County 11223
4 Marshall County 8317
5 Johnson County 7883
6 Muscatine County 7544
7 Pottawattamie County 7076
8 Linn County 6882
9 Black Hawk County 5788
10 Buena Vista County 4989
11 Dallas County 4897
12 Crawford County 4633
13 Wapello County 3711
14 Sioux County 3512
15 Story County 3105
16 Dubuque County 2273
17 Cerro Gordo County 2024
18 Louisa County 1772
19 Webster County 1771
20 Tama County 1479
21 Clinton County 1441
22 Wright County 1391
23 Washington County 1272
24 Franklin County 1237
25 Warren County 1234
26 Lee County 1209
27 Des Moines County 1202
28 Clarke County 1161
29 Plymouth County 1116
30 Henry County 916
31 Emmet County 904
32 Hamilton County 897
33 Allamakee County 839
34 Jasper County 751
35 Hardin County 742
36 Boone County 661
37 O'Brien County 626
38 Marion County 611
39 Clay County 569
40 Poweshiek County 558
41 Jefferson County 520
42 Page County 509
43 Taylor County 485
44 Osceola County 478
45 Carroll County 474
46 Fayette County 465
46 Mahaska County 465
47 Winnebago County 449
48 Winneshiek County 442
49 Hancock County 431
50 Mills County 425
51 Iowa County 411
52 Floyd County 404
53 Cherokee County 388
54 Humboldt County 381
55 Benton County 372
55 Bremer County 372
56 Jones County 370
57 Union County 356
58 Montgomery County 353
59 Clayton County 338
60 Dickinson County 336
61 Cedar County 329
62 Buchanan County 325
63 Shelby County 324
64 Kossuth County 319
65 Cass County 312
66 Lyon County 294
67 Madison County 282
68 Guthrie County 273
69 Jackson County 268
70 Sac County 261
71 Chickasaw County 257
72 Pocahontas County 248
73 Delaware County 246
74 Appanoose County 242
75 Greene County 236
76 Palo Alto County 228
77 Harrison County 220
78 Decatur County 212
79 Worth County 211
80 Monroe County 189
81 Butler County 188
82 Calhoun County 179
83 Fremont County 168
84 Grundy County 162
85 Monona County 153
86 Ida County 152
87 Keokuk County 149
88 Howard County 143
89 Mitchell County 140
90 Lucas County 136
91 Adair County 125
92 Ringgold County 112
93 Davis County 111
94 Van Buren County 100
95 Wayne County 91
96 Audubon County 60
97 Adams County 41