Iowa Natural Population Increase By County in 2011

Updated on June 30, 2022.

According to the US Census Bureau estimates, in 2011, the natural population increase for Iowa was 9,646, and the top three counties that had the highest natural population increase were:

  1. Iowa: 9,646
  2. Polk: 3,374
  3. Johnson: 1,185

On the other hand, the top 3 counties that had the lowest natural population increase were:

  1. Monona: -68
  2. Calhoun: -64
  3. Harrison: -58

Use the interactive visualization and the table below to explore the natural population increase for each Iowa county in 2011.

Natural Population Increase refers to the number of births minuse the number of deaths.

See this for other years:
Iowa Natural Population Increase By County in 2011
Iowa Natural Population Increase By County in 2011
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County Natural Pop. Increase
Adair -50
Adams -13
Allamakee -9
Appanoose 0
Audubon -22
Benton 66
Black Hawk 525
Boone 26
Bremer 19
Buchanan 57
Buena Vista 69
Butler -31
Calhoun -64
Carroll 35
Cass -36
Cedar 9
Cerro Gordo 13
Cherokee -44
Chickasaw 2
Clarke 4
Clay 5
Clayton -28
Clinton 58
Crawford 48
Dallas 656
Davis 41
Decatur -17
Delaware 29
Des Moines 25
Dickinson -58
Dubuque 291
Emmet -13
Fayette -20
Floyd 9
Franklin 4
Fremont -6
Greene -19
Grundy 7
Guthrie -29
Hamilton -1
Hancock -6
Hardin -42
Harrison -58
Henry -4
Howard -4
Humboldt -12
Ida -35
Iowa 9646
Jackson -33
Jasper 37
Jefferson -34
Johnson 1185
Jones 20
Keokuk 26
Kossuth -25
Lee -39
Linn 1012
Louisa 28
Lucas 15
Lyon 80
Madison 5
Mahaska 83
Marion 72
Marshall 80
Mills 13
Mitchell -14
Monona -68
Monroe -19
Montgomery -41
Muscatine 173
O'Brien -52
Osceola -27
Page -36
Palo Alto -35
Plymouth 60
Pocahontas -38
Polk 3374
Pottawattamie 415
Poweshiek -38
Ringgold -39
Sac -52
Scott 752
Shelby -41
Sioux 274
Story 498
Tama -5
Taylor -18
Union 7
Van Buren -5
Wapello 47
Warren 131
Washington 12
Wayne -1
Webster -1
Winnebago -25
Winneshiek -18
Woodbury 595
Worth -10
Wright -28