Ranking of Iowa Counties By Birth Rate per 1K in 2018

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2018, the Birth Rate per 1K for Iowa was 12.17. Among all Iowa counties, Davis County had the highest birth rate (17.17), followed by Lyon County (16.67), and Lucas County (14.95).

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 Birth Rate per 1K in 2018
Davis
Lyon
Lucas
Buena Vista
Van Buren
Sioux
Polk
Woodbury
Marshall
Dallas
Ranking of Iowa Counties By Birth Rate per 1K in 2018
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Rank County Birth Rate
1 Davis County 17.17
2 Lyon County 16.67
3 Lucas County 14.95
4 Buena Vista County 14.61
5 Van Buren County 14.4
6 Sioux County 14.09
7 Polk County 14
8 Woodbury County 13.92
9 Marshall County 13.86
10 Dallas County 13.79
11 Clarke County 13.66
12 Keokuk County 13.55
13 Washington County 13.44
14 Taylor County 13.17
15 Allamakee County 13.1
16 O'Brien County 12.98
17 Buchanan County 12.96
18 Howard County 12.92
19 Crawford County 12.89
20 Clay County 12.87
21 Black Hawk County 12.86
22 Muscatine County 12.83
23 Chickasaw County 12.76
24 Wapello County 12.67
25 Webster County 12.44
26 Mitchell County 12.43
27 Emmet County 12.4
28 Adair County 12.36
29 Linn County 12.34
30 Scott County 12.3
31 Delaware County 12.26
32 Palo Alto County 12.25
33 Des Moines County 12.21
34 Pottawattamie County 12.2
35 Louisa County 12.18
36 Floyd County 12.04
37 Dubuque County 12.03
37 Hamilton County 12.03
38 Decatur County 11.98
39 Wayne County 11.97
40 Plymouth County 11.94
41 Tama County 11.92
42 Carroll County 11.89
43 Bremer County 11.83
44 Fremont County 11.81
45 Audubon County 11.78
46 Mahaska County 11.74
47 Johnson County 11.66
48 Wright County 11.64
49 Franklin County 11.57
50 Henry County 11.53
51 Kossuth County 11.49
52 Hancock County 11.45
52 Montgomery County 11.45
53 Warren County 11.43
54 Harrison County 11.42
55 Greene County 11.38
56 Lee County 11.35
57 Guthrie County 11.32
58 Union County 11.3
59 Appanoose County 11.28
60 Humboldt County 11.21
61 Clinton County 11.11
62 Monroe County 11.08
63 Benton County 11.06
64 Cass County 11.03
65 Hardin County 10.93
65 Pocahontas County 10.93
66 Grundy County 10.91
67 Ringgold County 10.65
68 Calhoun County 10.63
69 Monona County 10.59
70 Fayette County 10.53
71 Boone County 10.52
72 Iowa County 10.47
72 Jasper County 10.47
73 Cerro Gordo County 10.39
74 Winnebago County 10.31
75 Clayton County 10.3
75 Osceola County 10.3
76 Jackson County 10.17
77 Ida County 10.08
78 Cedar County 9.95
78 Worth County 9.95
79 Poweshiek County 9.94
80 Cherokee County 9.91
81 Jones County 9.75
82 Marion County 9.74
83 Winneshiek County 9.61
84 Sac County 9.55
85 Madison County 9.52
86 Mills County 9.34
87 Butler County 9.28
88 Shelby County 9.24
89 Dickinson County 8.91
90 Story County 8.63
91 Page County 8.53
92 Jefferson County 8.4
93 Adams County 7.69