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Life Expectancy in Iowa, by County

Life Expectancy for every county in Iowa, ranked. The highest is Sioux County at 83.1 and the lowest is Lee County at 74.5.

Iowa: n/a · United States: n/a · median county in Iowa: 78.0

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#County Life Expectancy
1Sioux County83.1
2Lyon County82.7
3Winneshiek County82.4
4Dallas County82.1
5Johnson County82.0
6Story County81.8
7Dickinson County80.7
8Jones County80.5
9Cedar County80.2
10Hancock County80.2
11Bremer County80.0
12Buena Vista County80.0
13Plymouth County79.8
14Benton County79.7
15Winnebago County79.7
16Mitchell County79.6
17Guthrie County79.4
18Clayton County79.4
19Buchanan County79.4
20Dubuque County79.3
21Linn County79.2
22Delaware County79.1
23Audubon County79.0
24Worth County79.0
25Jefferson County78.9
26Madison County78.9
27Grundy County78.8
28Washington County78.8
29Crawford County78.8
30Warren County78.7
31Shelby County78.7
32Carroll County78.6
33Chickasaw County78.5
34Poweshiek County78.5
35Marion County78.4
36Adams County78.4
37Davis County78.4
38Sac County78.4
39Kossuth County78.3
40Butler County78.3
41Humboldt County78.3
42Floyd County78.3
43Howard County78.2
44Jasper County78.2
45Clay County78.1
46Iowa County78.1
47Wright County78.1
48Calhoun County78.1
49Page County78.0
50Scott County78.0
51Mills County77.9
52Cherokee County77.9
53Boone County77.8
54Greene County77.8
55Keokuk County77.8
56Van Buren County77.8
57Henry County77.7
58Jackson County77.7
59Louisa County77.7
60Decatur County77.7
61Polk County77.5
62Hamilton County77.5
63Hardin County77.3
64Fayette County77.3
65Pocahontas County77.3
66Osceola County77.2
67Ida County77.1
68Black Hawk County77.1
69Clinton County77.1
70Mahaska County77.0
71Emmet County77.0
72Allamakee County76.9
73O'Brien County76.9
74Muscatine County76.8
75Lucas County76.8
76Wayne County76.8
77Taylor County76.7
78Palo Alto County76.5
79Cerro Gordo County76.4
80Adair County76.4
81Des Moines County76.4
82Tama County76.3
83Union County76.2
84Monroe County76.1
85Appanoose County76.1
86Pottawattamie County76.0
87Marshall County76.0
88Franklin County75.8
89Woodbury County75.8
90Cass County75.8
91Harrison County75.7
92Fremont County75.7
93Ringgold County75.6
94Montgomery County75.2
95Wapello County75.0
96Monona County74.9
97Webster County74.8
98Clarke County74.8
99Lee County74.5

Average number of years a baby born today would live under current mortality conditions.

Source: County Health Rankings 2024 (from National Center for Health Statistics, CDC), 2024.

Life Expectancy in other states

Other statistics for Iowa by county