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RANKING · 2020 CENSUS · 99 SHOWN OF 99

Most graduate degrees, Iowa counties · 2020

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

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Most graduate degrees by state
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RANKPLACESTATEPOPGRADUATE DEGREEVS 2000
01Johnson County, IAIA160,04425.2%+3.8 pts
02Story County, IAIA101,29122.0%+2.4 pts
03Dallas County, IAIA118,45716.1%+9.6 pts
04Jefferson County, IAIA15,29115.4%+3.6 pts
05Poweshiek County, IAIA18,36813.3%+6.5 pts
06Scott County, IAIA175,25912.1%+4.0 pts
07Decatur County, IAIA7,65512.0%+6.6 pts
08Polk County, IAIA516,54611.6%+2.9 pts
09Winneshiek County, IAIA19,73311.3%+5.1 pts
10Dubuque County, IAIA99,38111.3%+4.5 pts
11Linn County, IAIA232,02810.5%+3.3 pts
12Bremer County, IAIA25,29610.5%+4.2 pts
13Marion County, IAIA34,1929.9%+4.4 pts
14Black Hawk County, IAIA131,5329.8%+1.2 pts
15Warren County, IAIA57,3319.4%+3.4 pts
16Sioux County, IAIA36,7748.5%+2.1 pts
17Dickinson County, IAIA18,0778.4%+2.9 pts
18Madison County, IAIA17,2707.8%+4.4 pts
19Cherokee County, IAIA11,3697.6%+3.5 pts
20Woodbury County, IAIA106,6497.6%+1.5 pts
21Cerro Gordo County, IAIA42,3727.5%+1.4 pts
22Boone County, IAIA26,7997.4%+2.5 pts
23Wapello County, IAIA35,2107.3%+2.4 pts
24Clay County, IAIA16,2027.0%+4.1 pts
25Union County, IAIA11,8297.0%+3.4 pts
26Muscatine County, IAIA41,8536.9%+2.1 pts
27Pottawattamie County, IAIA92,9966.9%+2.4 pts
28Mills County, IAIA14,7936.9%+2.5 pts
29Palo Alto County, IAIA8,8996.9%+3.1 pts
30Cass County, IAIA12,9606.8%+2.2 pts
31Calhoun County, IAIA9,5626.7%+2.6 pts
32Des Moines County, IAIA38,0776.6%+1.4 pts
33Hardin County, IAIA16,4556.5%+2.0 pts
34Guthrie County, IAIA10,7826.4%+2.9 pts
35Grundy County, IAIA12,3616.4%+1.9 pts
36Buchanan County, IAIA20,8836.4%+3.3 pts
37Buena Vista County, IAIA20,4496.4%+1.7 pts
38Ringgold County, IAIA4,6426.3%+1.7 pts
39Marshall County, IAIA39,8906.3%+1.8 pts
40Henry County, IAIA19,3496.3%+1.5 pts
41Benton County, IAIA26,0046.2%+2.6 pts
42Washington County, IAIA22,6676.2%+1.4 pts
43Mahaska County, IAIA21,8806.2%+1.8 pts
44Webster County, IAIA36,8386.1%+1.0 pts
45Jackson County, IAIA19,2886.1%+2.1 pts
46Harrison County, IAIA14,6236.0%+2.9 pts
47Iowa County, IAIA16,5045.9%+1.7 pts
48Jones County, IAIA21,2535.9%+2.6 pts
49Hamilton County, IAIA14,9445.8%+1.3 pts
50Mitchell County, IAIA10,6505.7%+2.9 pts
51Jasper County, IAIA38,1535.6%+1.2 pts
52Worth County, IAIA7,3385.6%+2.6 pts
53Van Buren County, IAIA7,1315.5%+1.9 pts
54Page County, IAIA14,8565.5%+0.7 pts
55Shelby County, IAIA11,6895.5%+1.4 pts
56Cedar County, IAIA18,3595.4%+1.8 pts
57Plymouth County, IAIA25,6975.4%+1.0 pts
58Clinton County, IAIA46,0025.4%+1.5 pts
59Fayette County, IAIA19,0475.4%+1.7 pts
60Chickasaw County, IAIA11,6635.3%+2.1 pts
61Delaware County, IAIA17,6745.3%+2.2 pts
62Carroll County, IAIA20,3035.3%+1.8 pts
63Greene County, IAIA8,6585.2%+1.8 pts
64Floyd County, IAIA14,9015.1%+1.3 pts
65Audubon County, IAIA5,5095.0%+0.9 pts
66O'Brien County, IAIA14,2204.9%+1.6 pts
67Allamakee County, IAIA14,2384.9%+1.1 pts
68Keokuk County, IAIA9,7974.9%+2.1 pts
69Lee County, IAIA32,3064.9%+1.5 pts
70Adair County, IAIA7,4034.8%+2.5 pts
71Sac County, IAIA9,5254.8%+1.4 pts
72Monona County, IAIA8,5394.7%+1.7 pts
73Winnebago County, IAIA10,2514.7%+0.4 pts
74Emmet County, IAIA9,1074.7%+1.2 pts
75Montgomery County, IAIA10,0024.7%+1.4 pts
76Lyon County, IAIA12,3544.6%+1.3 pts
77Davis County, IAIA9,2304.5%+1.2 pts
78Howard County, IAIA9,4154.5%+1.1 pts
79Wayne County, IAIA6,7384.4%+0.8 pts
80Kossuth County, IAIA14,3224.3%+1.0 pts
81Clayton County, IAIA16,8454.3%+0.9 pts
82Clarke County, IAIA9,5744.3%+1.1 pts
83Fremont County, IAIA6,5224.2%+1.2 pts
84Appanoose County, IAIA12,0774.2%+1.1 pts
85Tama County, IAIA16,7964.2%+1.3 pts
86Crawford County, IAIA16,2374.2%+1.0 pts
87Hancock County, IAIA10,5284.2%+0.4 pts
88Butler County, IAIA14,0494.2%+0.8 pts
89Lucas County, IAIA8,8474.1%+1.2 pts
90Louisa County, IAIA10,4164.1%+0.7 pts
91Humboldt County, IAIA9,4093.9%+0.1 pts
92Adams County, IAIA3,6173.8%+0.9 pts
93Ida County, IAIA6,7773.8%+0.9 pts
94Wright County, IAIA12,8013.8%−0.0 pts
95Monroe County, IAIA7,4063.7%+0.6 pts
96Osceola County, IAIA5,9803.6%−0.9 pts
97Taylor County, IAIA5,8353.5%−0.1 pts
98Franklin County, IAIA9,8683.3%+0.0 pts
99Pocahontas County, IAIA6,8193.0%+0.1 pts
SHOWING 1–99 OF 99

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