Table 42
Live Births to Mothers Under Age 20, Ranked by County
2009 (Rate per 1,000 Females)
 
Rank County Number Rate     Rank County Number Rate
       
1 Polk 541 80.9 50 Franklin 14 104.5
2 Scott 269 115.0 50 Greene 14 147.4
3 Linn 226 77.9 53 Buchanan 13 42.5
4 Woodbury 207 129.4 53 Decatur 13 126.2
5 Black Hawk 157 89.9 53 Delaware 13 62.8
6 Pottawattamie 150 115.1 53 Emmet 13 103.2
7 Dubuque 106 87.1 53 Fremont 13 136.8
8 Marshall 78 132.4 53 Poweshiek 13 68.1
9 Wapello 68 134.9 59 Harrison 12 69.4
10 Muscatine 66 110.7 59 Iowa 12 58.8
11 Clinton 65 110.4 59 Montgomery 12 102.6
12 Des Moines 62 119.7 62 Calhoun 11 85.9
13 Lee 59 134.4 62 Davis 11 77.5
14 Webster 57 126.9 62 Dickinson 11 68.3
15 Johnson 56 32.7 62 Grundy 11 70.5
16 Cerro Gordo 46 96.4 62 Jones 11 55.0
17 Story 44 44.4 62 Kossuth 11 70.5
18 Buena Vista 39 136.4 68 Butler 10 59.9
19 Dallas 37 36.5 68 Cedar 10 44.6
20 Jasper 33 84.8 68 Cherokee 10 79.4
21 Warren 30 55.9 68 Clayton 10 51.5
22 Marion 29 69.0 68 Hancock 10 95.2
23 Boone 28 91.5 68 Howard 10 74.6
24 Mahaska 27 89.7 68 Monroe 10 128.2
24 Page 27 135.0 68 O'Brien 10 59.2
24 Tama 27 131.7 68 Winneshiek 10 51.3
27 Washington 24 98.8 77 Guthrie 9 72.6
27 Wright 24 150.0 77 Ida 9 84.9
29 Crawford 23 97.9 77 Lucas 9 94.7
29 Sioux 23 44.1 77 Madison 9 45.0
31 Clay 22 114.6 77 Shelby 9 75.0
31 Hamilton 22 118.9 77 Van Buren 9 94.7
33 Allamakee 21 116.7 77 Winnebago 9 88.2
33 Fayette 21 79.8 84 Adams 8 145.5
33 Union 21 152.2 84 Chickasaw 8 58.4
36 Cass 20 123.5 86 Keokuk 7 59.3
37 Appanoose 19 130.1 86 Lyon 7 44.9
37 Carroll 19 69.3 86 Pocahontas 7 101.4
37 Louisa 19 166.7 89 Adair 6 78.9
37 Mills 19 112.4 89 Taylor 6 125.0
37 Plymouth 19 61.3 91 Audubon 5 78.1
42 Henry 18 82.9 91 Monona 5 61.0
42 Jackson 18 82.2 91 Palo Alto 5 54.3
44 Benton 17 58.6 91 Ringgold 5 78.1
44 Clarke 17 124.1 91 Worth 5 60.2
44 Hardin 17 98.3 96 Mitchell 4 35.7
47 Jefferson 16 106.7 96 Osceola 4 60.6
48 Bremer 15 60.0 96 Sac 4 37.7
48 Humboldt 15 135.1 96 Wayne 4 49.4
50 Floyd 14 82.4