Ranking of Iowa Counties By Hispanic or Latino of All Races Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Iowa Hispanic or Latino of All Races population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 32,746. Among all Iowa counties, Polk County had the highest Hispanic or Latino of All Races population (aged 25 years and above) with an educational attainment of Less than High School Diploma (6,888), followed by Woodbury County (4,044), and Marshall County (2,277).

The chart below shows the top 10 Iowa counties, and the table below shows the ranking of all Iowa counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Iowa Counties By Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Polk County
Woodbury County
Marshall County
Buena Vista County
Pottawattamie County
Crawford County
Scott County
Muscatine County
Johnson County
Wapello County
Ranking of Iowa Counties By Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Items per page:
0 of 0
Rank County Number of People
1 Polk County 6888
2 Woodbury County 4044
3 Marshall County 2277
4 Buena Vista County 1582
5 Pottawattamie County 1307
6 Crawford County 1248
7 Scott County 1215
8 Muscatine County 1098
9 Johnson County 958
10 Wapello County 950
11 Linn County 788
12 Sioux County 771
13 Dallas County 731
14 Black Hawk County 688
15 Louisa County 457
16 Dubuque County 393
17 Clarke County 384
18 Franklin County 375
19 Tama County 330
20 Webster County 293
21 Plymouth County 290
22 Washington County 272
23 Emmet County 254
24 Clinton County 229
25 Allamakee County 214
26 Cerro Gordo County 204
27 Wright County 201
28 Story County 190
29 Hamilton County 185
30 Osceola County 179
31 Cass County 175
32 Jasper County 168
33 Humboldt County 155
34 Des Moines County 153
35 Hardin County 128
35 Taylor County 128
36 Lee County 124
37 Warren County 119
38 Kossuth County 111
39 Union County 108
40 Page County 99
41 Delaware County 96
42 Henry County 92
43 Carroll County 91
44 Madison County 85
45 Boone County 83
46 Pocahontas County 77
47 Hancock County 75
47 Poweshiek County 75
48 Iowa County 74
49 Clayton County 69
50 Floyd County 68
51 Greene County 67
52 Shelby County 63
53 Lyon County 58
54 Mills County 56
54 O'Brien County 56
55 Sac County 54
56 Buchanan County 53
57 Grundy County 52
58 Marion County 50
59 Winnebago County 47
60 Fayette County 46
60 Jefferson County 46
61 Jones County 45
62 Calhoun County 44
62 Chickasaw County 44
63 Monona County 42
64 Appanoose County 41
64 Benton County 41
65 Guthrie County 40
66 Cedar County 39
67 Keokuk County 38
68 Palo Alto County 33
69 Cherokee County 32
69 Winneshiek County 32
70 Lucas County 31
71 Ida County 28
72 Harrison County 27
73 Worth County 26
74 Fremont County 25
75 Clay County 17
76 Bremer County 16
77 Decatur County 15
78 Dickinson County 13
78 Van Buren County 13
79 Davis County 12
80 Audubon County 11
81 Howard County 10
81 Mahaska County 10
82 Adair County 8
82 Wayne County 8
83 Ringgold County 6
84 Mitchell County 2
85 Adams County 1
86 Butler County 0
86 Jackson County 0
86 Monroe County 0
86 Montgomery County 0