Highest Population Density In Iowa By County

People per square mile

Rank County Population Density
1 Polk County, Iowa 750.5
2 Scott County, Iowa 360.7
3 Linn County, Iowa 294.6
4 Black Hawk County, Iowa 231.7
5 Johnson County, Iowa 213.1
6 Story County, Iowa 156.3
7 Dubuque County, Iowa 154
8 Woodbury County, Iowa 117.1
9 Dallas County, Iowa 112.4
10 Pottawattamie County, Iowa 98
11 Muscatine County, Iowa 97.7
12 Des Moines County, Iowa 96.9
13 Wapello County, Iowa 82.5
14 Warren County, Iowa 81.1
15 Cerro Gordo County, Iowa 77.7
16 Marshall County, Iowa 71
17 Clinton County, Iowa 70.7
18 Lee County, Iowa 69.3
19 Marion County, Iowa 60.1
20 Bremer County, Iowa 55.7
21 Webster County, Iowa 53.1
22 Jasper County, Iowa 50.4
23 Henry County, Iowa 46.4
24 Boone County, Iowa 46
25 Sioux County, Iowa 43.9
26 Dickinson County, Iowa 43.8
27 Mahaska County, Iowa 39.2
28 Jefferson County, Iowa 38.7
29 Washington County, Iowa 38.2
30 Buchanan County, Iowa 36.7
31 Carroll County, Iowa 36.6
32 Benton County, Iowa 36.4
33 Jones County, Iowa 35.9
34 Buena Vista County, Iowa 35.2
35 Mills County, Iowa 34.4
36 Floyd County, Iowa 32.6
37 Poweshiek County, Iowa 32.3
38 Cedar County, Iowa 31.9
39 Jackson County, Iowa 31.2
40 Hardin County, Iowa 30.8
41 Delaware County, Iowa 30.7
42 Winneshiek County, Iowa 30.5
43 Page County, Iowa 29.8
44 Union County, Iowa 29.6
45 Clay County, Iowa 29.4
46 Plymouth County, Iowa 29
47 Fayette County, Iowa 28.6
48 Louisa County, Iowa 28.3
49 Madison County, Iowa 27.9
50 Iowa County, Iowa 27.9
51 Hamilton County, Iowa 27.2
52 Winnebago County, Iowa 27.1
53 Emmet County, Iowa 26
54 Appanoose County, Iowa 25.9
55 Butler County, Iowa 25.6
56 Montgomery County, Iowa 25.3
57 OBrien County, Iowa 25.1
58 Grundy County, Iowa 24.8
59 Chickasaw County, Iowa 24.7
60 Cass County, Iowa 24.7
61 Tama County, Iowa 24.6
62 Crawford County, Iowa 23.9
63 Clayton County, Iowa 23.3
64 Mitchell County, Iowa 23
65 Wright County, Iowa 22.8
66 Humboldt County, Iowa 22.6
67 Allamakee County, Iowa 22.4
68 Clarke County, Iowa 21.5
69 Harrison County, Iowa 21.4
70 Cherokee County, Iowa 20.9
71 Lucas County, Iowa 20.7
72 Shelby County, Iowa 20.6
73 Howard County, Iowa 20.2
74 Hancock County, Iowa 19.9
75 Lyon County, Iowa 19.7
76 Worth County, Iowa 19
77 Guthrie County, Iowa 18.5
78 Franklin County, Iowa 18.4
79 Monroe County, Iowa 18.4
80 Keokuk County, Iowa 18.1
81 Sac County, Iowa 18
82 Davis County, Iowa 17.4
83 Calhoun County, Iowa 17
84 Palo Alto County, Iowa 16.7
85 Ida County, Iowa 16.4
86 Greene County, Iowa 16.4
87 Osceola County, Iowa 16.2
88 Kossuth County, Iowa 16
89 Decatur County, Iowa 15.9
90 Van Buren County, Iowa 15.6
91 Fremont County, Iowa 14.6
92 Audubon County, Iowa 13.8
93 Adair County, Iowa 13.5
94 Monona County, Iowa 13.3
95 Pocahontas County, Iowa 12.7
96 Wayne County, Iowa 12.2
97 Taylor County, Iowa 11.9
98 Ringgold County, Iowa 9.6
99 Adams County, Iowa 9.5

Population Density By

City Congressional District County School District

Business Lists

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Education Lists

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Housing Lists

Most Households Highest Home Ownership Percentage Highest Percentage of Residents Living In Multi-Unit Buildings Highest Median Home Value Highest Average People Per Household Most Housing Units

Income Lists

Highest Income Per Capita Highest Income Per Household Highest People Below The Poverty Rate

People Lists

Highest Percentage of Minors Highest Percentage of Seniors Highest Percentage of Young Children Highest Percentage of Female Residents Highest Percentage of Foreign Born Residents

Race Lists

Highest Percentage of American Indian or Alaska Native Residents Highest Percentage of Asian Residents Highest Percentage of Black or African American Residents Highest Percentage of Hispanic or Latino Residents Highest Percentage of Native Hawaiian/Pacific Islander Residents Highest Percentage of Residents With Two or More Races Highest Percentage of White Residents Highest Percentage White, Not Hispanic or Latino, Residents

Size Lists

Highest Land Area Highest Population (2012) Highest Population Density

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