Demographics Atlas Open the interactive map →

Obesity (BMI 30+) in Iowa, by County

Obesity (BMI 30+) for every county in Iowa, ranked. The highest is Marshall County at 44.1% and the lowest is Johnson County at 30.4%.

Iowa: 37.7% · United States: n/a · median county in Iowa: 39.5%

See Obesity (BMI 30+) on the interactive map →

#County Obesity (BMI 30+)
1Marshall County44.1%
2Appanoose County43.4%
3Boone County43.4%
4Iowa County43.4%
5Clarke County43.1%
6Page County42.9%
7Ringgold County42.7%
8Crawford County42.6%
9Emmet County42.5%
10Allamakee County42.3%
11Hancock County42.2%
12Lyon County42.2%
13Monona County42.2%
14Wapello County41.7%
15Humboldt County41.4%
16Keokuk County41.4%
17Muscatine County41.4%
18Sac County41.3%
19Webster County41.2%
20Clayton County41.0%
21Ida County41.0%
22Benton County40.8%
23Cedar County40.8%
24Cass County40.7%
25Franklin County40.7%
26Wright County40.7%
27Cherokee County40.6%
28Scott County40.6%
29Wayne County40.6%
30Poweshiek County40.5%
31Worth County40.5%
32Black Hawk County40.4%
33Jackson County40.3%
34Louisa County40.2%
35Tama County40.2%
36Cerro Gordo County40.1%
37Mitchell County40.1%
38Palo Alto County40.0%
39Adair County39.9%
40Fremont County39.9%
41Calhoun County39.8%
42Floyd County39.8%
43Lucas County39.8%
44Carroll County39.7%
45Delaware County39.7%
46Jones County39.7%
47Taylor County39.7%
48Decatur County39.6%
49Jefferson County39.6%
50Montgomery County39.5%
51Osceola County39.5%
52Van Buren County39.5%
53Chickasaw County39.4%
54Marion County39.4%
55Plymouth County39.4%
56Butler County39.3%
57Clinton County39.3%
58Mills County39.2%
59Adams County39.1%
60Pottawattamie County39.1%
61Woodbury County39.1%
62Hardin County38.9%
63Henry County38.8%
64O'Brien County38.8%
65Warren County38.7%
66Mahaska County38.6%
67Washington County38.6%
68Fayette County38.5%
69Winnebago County38.4%
70Jasper County38.3%
71Kossuth County38.2%
72Monroe County38.2%
73Buena Vista County38.1%
74Howard County38.0%
75Shelby County37.8%
76Audubon County37.6%
77Bremer County37.6%
78Buchanan County37.6%
79Lee County37.6%
80Davis County37.5%
81Grundy County37.5%
82Dickinson County37.2%
83Guthrie County37.2%
84Madison County37.2%
85Union County37.2%
86Polk County37.0%
87Hamilton County36.5%
88Pocahontas County36.2%
89Greene County35.8%
90Linn County35.4%
91Clay County35.2%
92Harrison County35.2%
93Winneshiek County34.7%
94Des Moines County34.6%
95Dubuque County34.3%
96Sioux County33.0%
97Dallas County32.8%
98Story County30.8%
99Johnson County30.4%

Adults with a body mass index of 30 or higher, calculated from self-reported height and weight.

Source: CDC PLACES (BRFSS model-based estimates), 2023.

Iowa ranks 9th of 49 states for obesity (bmi 30+).

Obesity (BMI 30+) in other states

Other statistics for Iowa by county