US Census Data

Largest households in Iowa

Iowa counties and cities ranked by average household size.

This page ranks the counties and cities of Iowa by average household size — which have the largest average household size, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Davis County leads at 2.85.

Among cities & places, East Amana leads at 7.57.

Counties

#NameAvg household size
1Davis County2.85
2Lyon County2.68
3Sioux County2.68
4Mills County2.64
5Buena Vista County2.61
6Warren County2.57
7Louisa County2.55
8Crawford County2.54
9Woodbury County2.54
10Dallas County2.53
11Howard County2.52
12Benton County2.51
13Buchanan County2.51
14Wayne County2.51
15Madison County2.50
16Marshall County2.48
17Monroe County2.47
18Tama County2.47
19Van Buren County2.47
20Plymouth County2.46
21Muscatine County2.45
22Washington County2.45
23Bremer County2.44
24Henry County2.44
25Jasper County2.44
26Wapello County2.44
27Jones County2.42
28Keokuk County2.42
29Pottawattamie County2.42
30Appanoose County2.41
31Cedar County2.41
32Delaware County2.41
33Polk County2.41
34Franklin County2.40
35Grundy County2.40
36Mahaska County2.40
37Boone County2.39
38Butler County2.39
39Harrison County2.39
40Ringgold County2.39
41Clarke County2.38
42Marion County2.38
43Iowa County2.37
44Johnson County2.36
45Linn County2.36
46O'Brien County2.36
47Wright County2.36
48Calhoun County2.35
49Clinton County2.35
50Scott County2.35
51Black Hawk County2.34
52Chickasaw County2.34
53Dubuque County2.34
54Fremont County2.34
55Lucas County2.34
56Taylor County2.34
57Hamilton County2.33
58Decatur County2.32
59Shelby County2.32
60Union County2.32
61Adams County2.31
62Carroll County2.31
63Jackson County2.31
64Mitchell County2.31
65Floyd County2.30
66Osceola County2.30
67Allamakee County2.29
68Guthrie County2.29
69Hardin County2.29
70Palo Alto County2.29
71Fayette County2.28
72Worth County2.28
73Clayton County2.27
74Hancock County2.27
75Ida County2.27
76Page County2.27
77Sac County2.25
78Adair County2.24
79Lee County2.24
80Pocahontas County2.24
81Humboldt County2.23
82Story County2.23
83Cass County2.22
84Clay County2.22
85Emmet County2.22
86Des Moines County2.21
87Winneshiek County2.21
88Cherokee County2.20
89Kossuth County2.20
90Greene County2.19
91Winnebago County2.19
92Audubon County2.18
93Montgomery County2.18
94Poweshiek County2.18
95Webster County2.18
96Monona County2.16
97Cerro Gordo County2.15
98Jefferson County2.14
99Dickinson County2.03

Cities & places

Top 100.
#NameAvg household size
1East Amana7.57
2Loveland5.75
3Anderson4.67
4South Amana4.34
5Thayer4.17
6Frytown4.00
7Mineola3.97
8Harper3.94
9Blanchard3.88
10Henderson3.73
11Popejoy3.69
12Luzerne3.68
13Delphos3.67
14Shannon City3.65
15Coppock3.58
16Imogene3.57
17Randolph3.57
18Kinross3.50
19Spring Hill3.47
20Beaver3.39
21Ainsworth3.35
22Silver City3.35
23Vail3.34
24Greenville3.33
25Goose Lake3.32
26Crawfordsville3.29
27Thurman3.28
28Arcadia3.27
29Hartwick3.25
30Lambs Grove3.25
31Swedesburg3.22
32Packwood3.21
33Bouton3.20
34Arion3.19
35Van Meter3.19
36Coulter3.18
37Gillett Grove3.18
38Fruitland3.17
39Truro3.14
40Alexander3.11
41Ollie3.11
42Kirkville3.10
43Bentley3.08
44Sandyville3.07
45Urbana3.05
46Willey3.05
47Galva3.04
48Gray3.04
49Hedrick3.04
50Martelle3.04
51Peosta3.04
52Derby3.03
53Fremont3.03
54Fredonia3.01
55Moville3.00
56Nemaha3.00
57Columbus Junction2.99
58Mooar2.99
59Clare2.98
60Dedham2.98
61Olin2.98
62Stout2.98
63Truesdale2.98
64Dougherty2.97
65Dundee2.97
66Mount Vernon2.97
67Onslow2.97
68Lester2.96
69Letts2.96
70Alta2.94
71Atkins2.93
72Balltown2.93
73Palo2.93
74Postville2.93
75Weston2.93
76Climbing Hill2.92
77Fairfax2.91
78Melvin2.91
79Mount Sterling2.91
80Sergeant Bluff2.91
81Bondurant2.90
82Geneva2.90
83New Virginia2.90
84Pulaski2.90
85Goodell2.89
86Hillsboro2.89
87North Washington2.89
88Williamson2.89
89Asbury2.88
90Cumming2.88
91Reasnor2.88
92Valeria2.87
93Hornick2.86
94Churdan2.85
95Kimballton2.85
96New Liberty2.85
97Cushing2.84
98Delta2.84
99Huxley2.84
100Moulton2.84

Nationwide

1

Other rankings in Iowa

20

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