Ranking of Iowa Counties By Number of Births in 2020

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2020, the Number of Births for Iowa was 37.07K. Among all Iowa counties, Polk County had the highest number of births (6.52K), followed by Linn County (2.67K), and Scott County (2.05K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Iowa Counties By Number of Births in 2020
Polk
Linn
Scott
Johnson
Black Hawk
Woodbury
Dallas
Dubuque
Pottawattamie
Story
Ranking of Iowa Counties By Number of Births in 2020
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Rank County Number of Births
1 Polk County 6524
2 Linn County 2674
3 Scott County 2046
4 Johnson County 1719
5 Black Hawk County 1594
6 Woodbury County 1421
7 Dallas County 1309
8 Dubuque County 1196
9 Pottawattamie County 1058
10 Story County 826
11 Warren County 578
12 Clinton County 516
13 Muscatine County 512
14 Sioux County 500
15 Marshall County 490
16 Cerro Gordo County 462
17 Des Moines County 445
18 Wapello County 435
19 Webster County 429
20 Jasper County 400
21 Marion County 336
22 Lee County 328
23 Buena Vista County 288
24 Washington County 285
25 Benton County 284
26 Plymouth County 277
27 Buchanan County 274
28 Bremer County 264
29 Mahaska County 263
30 Boone County 262
31 Carroll County 225
32 Crawford County 217
33 Jackson County 211
34 Fayette County 202
34 Henry County 202
35 Tama County 200
36 Jones County 198
37 Delaware County 189
38 Winneshiek County 187
39 Clay County 186
40 Clayton County 176
40 Hamilton County 176
41 Allamakee County 174
41 Lyon County 174
42 Kossuth County 173
42 Madison County 173
43 Cedar County 172
44 Floyd County 171
45 Iowa County 165
46 Poweshiek County 161
47 Hardin County 160
47 O'Brien County 160
48 Davis County 158
48 Wright County 158
49 Harrison County 157
50 Butler County 152
50 Dickinson County 152
51 Appanoose County 143
52 Jefferson County 141
53 Chickasaw County 139
54 Cass County 136
55 Mills County 135
56 Mitchell County 131
56 Page County 131
57 Grundy County 127
58 Shelby County 126
59 Louisa County 123
60 Clarke County 121
60 Union County 121
61 Howard County 119
62 Cherokee County 114
63 Hancock County 110
64 Franklin County 108
64 Sac County 108
65 Montgomery County 107
66 Emmet County 106
67 Humboldt County 105
67 Keokuk County 105
68 Calhoun County 103
69 Lucas County 100
70 Adair County 98
70 Palo Alto County 98
71 Guthrie County 97
71 Winnebago County 97
72 Van Buren County 96
73 Monona County 92
74 Decatur County 90
74 Greene County 90
74 Wayne County 90
75 Monroe County 85
76 Worth County 80
77 Pocahontas County 71
78 Ida County 68
79 Taylor County 65
80 Fremont County 64
81 Osceola County 63
82 Audubon County 58
83 Ringgold County 47
84 Adams County 36