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Iowa Counties by Bachelor's Degree or Higher

Share of adults 25+ with a bachelor's degree or higher. Educational attainment is strongly correlated with income levels and economic growth.

All 99 counties ranked by Bachelor's Degree or Higher, from highest to lowest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.

States Counties Cities Metros ZIPs
# Counties Bachelor's Degree or Higher ↓
1 Harrison County, Iowa 89.1%
2 Bremer County, Iowa 85.2%
3 Cherokee County, Iowa 83.8%
4 Johnson County, Iowa 81.1%
5 Clay County, Iowa 78.7%
6 Henry County, Iowa 78.1%
7 Marshall County, Iowa 76.5%
8 Keokuk County, Iowa 71.7%
9 Adams County, Iowa 70.2%
10 Audubon County, Iowa 69.6%
11 Calhoun County, Iowa 69.4%
12 Palo Alto County, Iowa 69.2%
13 Mahaska County, Iowa 65.6%
14 Hancock County, Iowa 65.5%
15 Iowa County, Iowa 65.2%
16 Greene County, Iowa 64.6%
17 Cedar County, Iowa 64.1%
18 Marion County, Iowa 63.5%
19 Mills County, Iowa 60.0%
20 Emmet County, Iowa 59.8%
21 Hardin County, Iowa 58.1%
22 Grundy County, Iowa 57.4%
23 Floyd County, Iowa 56.1%
24 Carroll County, Iowa 56.1%
25 Lyon County, Iowa 55.3%
26 Story County, Iowa 53.3%
27 Dallas County, Iowa 51.6%
28 Adair County, Iowa 47.4%
29 Crawford County, Iowa 45.1%
30 Jefferson County, Iowa 41.6%
31 Louisa County, Iowa 36.9%
32 Decatur County, Iowa 36.8%
33 Scott County, Iowa 36.2%
34 Page County, Iowa 36.1%
35 Linn County, Iowa 34.8%
36 Warren County, Iowa 32.7%
37 Dickinson County, Iowa 32.3%
38 Winneshiek County, Iowa 31.5%
39 Osceola County, Iowa 31.5%
40 Cerro Gordo County, Iowa 30.9%
41 Sioux County, Iowa 30.4%
42 Mitchell County, Iowa 30.1%
43 Boone County, Iowa 29.3%
44 Pocahontas County, Iowa 28.3%
45 Poweshiek County, Iowa 28.2%
46 Polk County, Iowa 28.0%
47 Des Moines County, Iowa 26.2%
48 Ringgold County, Iowa 25.2%
49 Winnebago County, Iowa 25.1%
50 Benton County, Iowa 24.9%
51 Washington County, Iowa 24.9%
52 Lee County, Iowa 24.8%
53 Madison County, Iowa 24.7%
54 Montgomery County, Iowa 24.6%
55 Guthrie County, Iowa 24.3%
56 Union County, Iowa 24.1%
57 Appanoose County, Iowa 23.9%
58 Hamilton County, Iowa 23.8%
59 Clayton County, Iowa 23.8%
60 Pottawattamie County, Iowa 23.5%
61 Wright County, Iowa 23.5%
62 Woodbury County, Iowa 23.4%
63 Shelby County, Iowa 23.3%
64 Buchanan County, Iowa 22.3%
65 Kossuth County, Iowa 22.2%
66 Clinton County, Iowa 22.1%
67 Muscatine County, Iowa 21.9%
68 Sac County, Iowa 21.2%
69 Dubuque County, Iowa 21.2%
70 Fremont County, Iowa 21.1%
71 Ida County, Iowa 20.7%
72 Jones County, Iowa 20.7%
73 Webster County, Iowa 20.5%
74 Worth County, Iowa 20.1%
75 Allamakee County, Iowa 19.9%
76 Jasper County, Iowa 19.9%
77 Tama County, Iowa 19.4%
78 Wapello County, Iowa 19.4%
79 Van Buren County, Iowa 19.4%
80 Humboldt County, Iowa 19.3%
81 Chickasaw County, Iowa 19.1%
82 Cass County, Iowa 18.7%
83 Howard County, Iowa 18.7%
84 Jackson County, Iowa 18.4%
85 Fayette County, Iowa 18.2%
86 Franklin County, Iowa 18.2%
87 Davis County, Iowa 17.6%
88 Butler County, Iowa 16.9%
89 Delaware County, Iowa 16.8%
90 O'Brien County, Iowa 16.4%
91 Wayne County, Iowa 16.0%
92 Clarke County, Iowa 16.0%
93 Monroe County, Iowa 15.8%
94 Taylor County, Iowa 15.5%
95 Buena Vista County, Iowa 15.3%
96 Plymouth County, Iowa 15.2%
97 Lucas County, Iowa 14.5%
98 Black Hawk County, Iowa 13.4%
99 Monona County, Iowa 7.3%