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RANKING · 2020 CENSUS · 99 SHOWN OF 99

Most educated, Iowa counties · 2020

Iowa counties ranked by the share of adults 25+ holding a bachelor's degree or higher (2020 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000
01Johnson County, IAIA160,04454.3%+6.7 pts
02Story County, IAIA101,29151.9%+7.4 pts
03Dallas County, IAIA118,45750.5%+23.7 pts
04Polk County, IAIA516,54637.6%+7.8 pts
05Jefferson County, IAIA15,29136.5%+5.3 pts
06Linn County, IAIA232,02834.1%+6.4 pts
07Bremer County, IAIA25,29633.0%+11.5 pts
08Scott County, IAIA175,25932.6%+7.7 pts
09Dickinson County, IAIA18,07732.2%+10.9 pts
10Dubuque County, IAIA99,38131.4%+10.0 pts
11Warren County, IAIA57,33131.3%+10.1 pts
12Marion County, IAIA34,19230.8%+11.9 pts
13Winneshiek County, IAIA19,73329.8%+9.3 pts
14Sioux County, IAIA36,77429.5%+9.7 pts
15Black Hawk County, IAIA131,53229.2%+6.2 pts
16Poweshiek County, IAIA18,36828.1%+9.6 pts
17Grundy County, IAIA12,36127.2%+10.0 pts
18Decatur County, IAIA7,65526.5%+11.4 pts
19Mills County, IAIA14,79326.0%+9.7 pts
20Boone County, IAIA26,79925.4%+6.7 pts
21Madison County, IAIA17,27025.3%+10.9 pts
22Palo Alto County, IAIA8,89924.8%+10.9 pts
23Hamilton County, IAIA14,94424.0%+6.5 pts
24Clay County, IAIA16,20223.9%+7.6 pts
25Woodbury County, IAIA106,64923.5%+4.6 pts
26Carroll County, IAIA20,30323.4%+7.5 pts
27Cerro Gordo County, IAIA42,37223.2%+2.9 pts
28Winnebago County, IAIA10,25123.1%+6.6 pts
29Cass County, IAIA12,96023.0%+6.4 pts
30Cherokee County, IAIA11,36922.7%+7.5 pts
31Henry County, IAIA19,34922.5%+6.4 pts
32Union County, IAIA11,82922.4%+7.7 pts
33Plymouth County, IAIA25,69722.3%+3.0 pts
34Mitchell County, IAIA10,65022.1%+9.3 pts
35Buchanan County, IAIA20,88322.1%+9.4 pts
36Hancock County, IAIA10,52822.1%+6.6 pts
37Washington County, IAIA22,66722.0%+5.6 pts
38Pottawattamie County, IAIA92,99621.9%+6.9 pts
39Iowa County, IAIA16,50421.9%+6.1 pts
40Muscatine County, IAIA41,85321.8%+4.7 pts
41O'Brien County, IAIA14,22021.8%+7.1 pts
42Hardin County, IAIA16,45521.5%+4.4 pts
43Mahaska County, IAIA21,88021.3%+4.7 pts
44Shelby County, IAIA11,68921.1%+5.7 pts
45Webster County, IAIA36,83821.1%+4.2 pts
46Cedar County, IAIA18,35921.0%+4.8 pts
47Marshall County, IAIA39,89020.8%+3.8 pts
48Buena Vista County, IAIA20,44920.8%+2.1 pts
49Benton County, IAIA26,00420.4%+6.5 pts
50Page County, IAIA14,85620.3%+3.7 pts
51Humboldt County, IAIA9,40920.1%+4.7 pts
52Guthrie County, IAIA10,78220.0%+5.2 pts
53Monroe County, IAIA7,40619.9%+7.3 pts
54Jones County, IAIA21,25319.9%+7.2 pts
55Des Moines County, IAIA38,07719.8%+3.9 pts
56Montgomery County, IAIA10,00219.8%+6.9 pts
57Greene County, IAIA8,65819.8%+5.1 pts
58Calhoun County, IAIA9,56219.7%+4.3 pts
59Wapello County, IAIA35,21019.7%+5.1 pts
60Jackson County, IAIA19,28819.7%+7.6 pts
61Ringgold County, IAIA4,64219.6%+6.2 pts
62Floyd County, IAIA14,90119.6%+4.8 pts
63Adair County, IAIA7,40319.5%+8.3 pts
64Clinton County, IAIA46,00219.3%+4.9 pts
65Lyon County, IAIA12,35419.2%+5.0 pts
66Jasper County, IAIA38,15319.2%+3.3 pts
67Harrison County, IAIA14,62319.1%+6.5 pts
68Fremont County, IAIA6,52218.8%+4.9 pts
69Audubon County, IAIA5,50918.8%+6.5 pts
70Davis County, IAIA9,23018.7%+7.2 pts
71Emmet County, IAIA9,10718.6%+5.6 pts
72Franklin County, IAIA9,86818.6%+4.1 pts
73Howard County, IAIA9,41518.6%+5.9 pts
74Lee County, IAIA32,30618.5%+5.9 pts
75Keokuk County, IAIA9,79718.4%+6.8 pts
76Appanoose County, IAIA12,07718.4%+6.2 pts
77Fayette County, IAIA19,04718.3%+4.5 pts
78Worth County, IAIA7,33818.2%+5.6 pts
79Kossuth County, IAIA14,32218.2%+4.7 pts
80Allamakee County, IAIA14,23818.2%+3.8 pts
81Butler County, IAIA14,04918.2%+5.8 pts
82Sac County, IAIA9,52517.8%+4.3 pts
83Chickasaw County, IAIA11,66317.8%+5.6 pts
84Ida County, IAIA6,77717.6%+4.0 pts
85Delaware County, IAIA17,67417.4%+4.4 pts
86Adams County, IAIA3,61717.3%+5.3 pts
87Clayton County, IAIA16,84517.1%+4.3 pts
88Louisa County, IAIA10,41616.9%+4.2 pts
89Lucas County, IAIA8,84716.6%+5.5 pts
90Van Buren County, IAIA7,13116.4%+4.6 pts
91Wright County, IAIA12,80116.3%+2.8 pts
92Pocahontas County, IAIA6,81915.9%+1.0 pts
93Clarke County, IAIA9,57415.9%+3.8 pts
94Monona County, IAIA8,53915.7%+2.2 pts
95Tama County, IAIA16,79615.6%+2.7 pts
96Crawford County, IAIA16,23715.1%+2.8 pts
97Osceola County, IAIA5,98015.0%+1.6 pts
98Taylor County, IAIA5,83514.8%+2.8 pts
99Wayne County, IAIA6,73814.3%+2.1 pts
SHOWING 1–99 OF 99

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS