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RANKING · 2024 ACS · 99 SHOWN OF 99

Least educated, Iowa counties

Iowa counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 22.3%. Biggest climber in the top 100 since 2020: Palo Alto County, IA, up 63 places to #15.

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Least educated by state
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RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000
01▲12Clayton County, IAIA16,84514.5%+1.7 pts
02▲9Lucas County, IAIA8,84715.8%+4.7 pts
03▲4Clarke County, IAIA9,57416.0%+3.9 pts
04▼2Taylor County, IAIA5,83516.0%+4.0 pts
05▼2Osceola County, IAIA5,98016.7%+3.3 pts
06▲6Louisa County, IAIA10,41616.8%+4.1 pts
07▲18Keokuk County, IAIA9,79717.0%+5.4 pts
08▲22Davis County, IAIA9,23017.1%+5.7 pts
09▲20Emmet County, IAIA9,10717.1%+4.1 pts
10▼9Wayne County, IAIA6,73817.2%+5.1 pts
11▼7Crawford County, IAIA16,23717.7%+5.4 pts
12▲26Floyd County, IAIA14,90118.3%+3.6 pts
13▼5Pocahontas County, IAIA6,81918.7%+3.7 pts
14▼4Van Buren County, IAIA7,13118.8%+7.0 pts
15▲63Palo Alto County, IAIA8,89919.0%+5.2 pts
16▲6Worth County, IAIA7,33819.1%+6.4 pts
17▲33Page County, IAIA14,85619.2%+2.7 pts
18▲31Humboldt County, IAIA9,40919.4%+4.0 pts
19▲9Franklin County, IAIA9,86819.4%+4.9 pts
20▲20Jackson County, IAIA19,28819.5%+7.4 pts
21▲6Howard County, IAIA9,41519.5%+6.9 pts
22▲19Wapello County, IAIA35,21019.6%+5.0 pts
23▼17Monona County, IAIA8,53919.6%+6.2 pts
24▲13Adair County, IAIA7,40319.9%+8.7 pts
25▲9Jasper County, IAIA38,15320.0%+4.1 pts
26▲18Montgomery County, IAIA10,00220.4%+7.5 pts
27▲8Lyon County, IAIA12,35420.4%+6.2 pts
28▲36Hancock County, IAIA10,52820.5%+5.0 pts
29▼5Appanoose County, IAIA12,07720.5%+8.3 pts
30▼25Tama County, IAIA16,79620.5%+7.6 pts
31▼8Fayette County, IAIA19,04720.7%+6.9 pts
32Fremont County, IAIA6,52220.8%+6.8 pts
33▼2Audubon County, IAIA5,50920.8%+8.5 pts
34▼17Chickasaw County, IAIA11,66321.2%+8.9 pts
35▲8Greene County, IAIA8,65821.2%+6.6 pts
36▲11Monroe County, IAIA7,40621.4%+8.8 pts
37▼18Butler County, IAIA14,04921.4%+9.0 pts
38▼22Ida County, IAIA6,77721.6%+8.0 pts
39▲28Plymouth County, IAIA25,69721.7%+2.4 pts
40▼14Lee County, IAIA32,30621.7%+9.2 pts
41▲1Calhoun County, IAIA9,56221.8%+6.4 pts
42▲16Hardin County, IAIA16,45521.9%+4.8 pts
43▼10Harrison County, IAIA14,62322.0%+9.3 pts
44▲11Webster County, IAIA36,83822.0%+5.2 pts
45▲1Jones County, IAIA21,25322.0%+9.3 pts
46▲13O'Brien County, IAIA14,22022.0%+7.3 pts
47▲24Cass County, IAIA12,96022.1%+5.5 pts
48▼28Allamakee County, IAIA14,23822.2%+7.7 pts
49▲3Buena Vista County, IAIA20,44922.2%+3.5 pts
50▼32Sac County, IAIA9,52522.3%+8.8 pts
51▲14Buchanan County, IAIA20,88322.4%+9.7 pts
52▼16Clinton County, IAIA46,00222.4%+8.0 pts
53Marshall County, IAIA39,89022.6%+5.5 pts
54▼39Delaware County, IAIA17,67422.6%+9.5 pts
55▲22Hamilton County, IAIA14,94422.8%+5.2 pts
56▼35Kossuth County, IAIA14,32222.8%+9.3 pts
57▲12Henry County, IAIA19,34923.0%+6.8 pts
58▲2Muscatine County, IAIA41,85323.1%+5.9 pts
59▲9Union County, IAIA11,82923.3%+8.6 pts
60▲10Cherokee County, IAIA11,36923.4%+8.3 pts
61▲21Decatur County, IAIA7,65523.5%+8.4 pts
62Pottawattamie County, IAIA92,99623.6%+8.6 pts
63▼9Cedar County, IAIA18,35923.7%+7.5 pts
64▼19Des Moines County, IAIA38,07723.8%+7.9 pts
65▲8Cerro Gordo County, IAIA42,37224.0%+3.7 pts
66▲8Carroll County, IAIA20,30324.0%+8.0 pts
67▼11Shelby County, IAIA11,68924.1%+8.7 pts
68▼11Mahaska County, IAIA21,88024.1%+7.6 pts
69▲6Woodbury County, IAIA106,64924.3%+5.4 pts
70▼31Ringgold County, IAIA4,64224.6%+11.2 pts
71▼10Iowa County, IAIA16,50424.8%+9.1 pts
72▼63Wright County, IAIA12,80124.9%+11.4 pts
73▼7Mitchell County, IAIA10,65024.9%+12.0 pts
74▼26Guthrie County, IAIA10,78225.0%+10.2 pts
75▼24Benton County, IAIA26,00425.6%+11.6 pts
76▼4Winnebago County, IAIA10,25126.1%+9.6 pts
77▼14Washington County, IAIA22,66726.2%+9.9 pts
78▼64Adams County, IAIA3,61727.0%+15.0 pts
79Madison County, IAIA17,27027.1%+12.8 pts
80▲4Poweshiek County, IAIA18,36827.3%+8.9 pts
81▼5Clay County, IAIA16,20227.5%+11.3 pts
82▲1Grundy County, IAIA12,36127.8%+10.6 pts
83▼3Boone County, IAIA26,79928.5%+9.7 pts
84▲1Black Hawk County, IAIA131,53230.3%+7.3 pts
85▲1Sioux County, IAIA36,77430.6%+10.8 pts
86▼5Mills County, IAIA14,79331.0%+14.7 pts
87▲4Dickinson County, IAIA18,07731.2%+9.8 pts
88▼1Winneshiek County, IAIA19,73331.2%+10.7 pts
89▼1Marion County, IAIA34,19232.1%+13.2 pts
90▼1Warren County, IAIA57,33133.3%+12.0 pts
91▼1Dubuque County, IAIA99,38133.4%+12.0 pts
92▲2Linn County, IAIA232,02834.7%+7.0 pts
93Bremer County, IAIA25,29636.2%+14.8 pts
94▼2Scott County, IAIA175,25936.6%+11.7 pts
95▲1Polk County, IAIA516,54640.3%+10.5 pts
96▼1Jefferson County, IAIA15,29143.2%+12.0 pts
97Dallas County, IAIA118,45751.5%+24.7 pts
98Story County, IAIA101,29154.8%+10.3 pts
99Johnson County, IAIA160,04455.2%+7.6 pts
SHOWING 1–99 OF 99

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES