Ranking of Iowa Counties By Hispanic or Latino Population in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Hispanic or Latino (41.23K), followed by Woodbury County (17.60K), and Scott County (12.05K).

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 2018
Polk
Woodbury
Scott
Marshall
Johnson
Muscatine
Linn
Pottawattamie
Black Hawk
Dallas
Ranking of Iowa Counties By Hispanic or Latino Population in 2018
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Rank County Hispanic or Latino Population
1 Polk County 41225
2 Woodbury County 17597
3 Scott County 12050
4 Marshall County 9026
5 Johnson County 8698
6 Muscatine County 7769
7 Linn County 7631
8 Pottawattamie County 7423
9 Black Hawk County 5945
10 Dallas County 5570
11 Buena Vista County 5146
12 Crawford County 4816
13 Sioux County 3814
14 Wapello County 3776
15 Story County 3381
16 Dubuque County 2429
17 Cerro Gordo County 2141
18 Webster County 2006
19 Louisa County 1797
20 Tama County 1789
21 Wright County 1599
22 Warren County 1503
23 Clinton County 1452
24 Clarke County 1444
25 Washington County 1412
26 Plymouth County 1338
27 Franklin County 1312
28 Des Moines County 1306
29 Lee County 1220
30 Henry County 997
31 Allamakee County 936
32 Hamilton County 919
33 Emmet County 897
34 Jasper County 889
35 Hardin County 776
36 O'Brien County 732
37 Boone County 712
38 Marion County 676
39 Poweshiek County 638
40 Clay County 628
41 Floyd County 586
42 Jefferson County 582
43 Page County 560
44 Winnebago County 533
45 Mahaska County 520
46 Mills County 510
47 Carroll County 509
48 Fayette County 508
49 Osceola County 506
50 Iowa County 502
51 Taylor County 498
52 Hancock County 488
53 Humboldt County 455
53 Winneshiek County 455
54 Kossuth County 438
55 Jones County 437
56 Cherokee County 436
57 Bremer County 413
58 Montgomery County 401
59 Union County 388
60 Cedar County 386
61 Benton County 382
62 Cass County 381
63 Dickinson County 363
64 Buchanan County 358
64 Clayton County 358
65 Madison County 345
66 Chickasaw County 337
66 Shelby County 337
67 Sac County 331
68 Lyon County 329
69 Jackson County 308
70 Guthrie County 306
71 Greene County 286
72 Palo Alto County 275
73 Harrison County 267
74 Appanoose County 265
75 Decatur County 264
75 Delaware County 264
76 Pocahontas County 263
77 Worth County 220
78 Fremont County 214
79 Monroe County 212
80 Keokuk County 210
81 Butler County 205
82 Monona County 197
83 Lucas County 195
84 Calhoun County 193
85 Ida County 176
86 Grundy County 162
87 Adair County 159
88 Davis County 147
89 Howard County 146
90 Mitchell County 145
91 Ringgold County 140
92 Van Buren County 118
93 Wayne County 100
94 Audubon County 89
95 Adams County 53