Iowa Natural Population Increase Rate By County in 2014

Updated on June 30, 2022.

According to the US Census Bureau estimates, in 2014, the natural population increase rate for Iowa was 3.41, and the top three counties that had the highest natural population increase rate were:

  1. Dallas County: 10.12
  2. Polk County: 8.01
  3. Johnson County: 7.89

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

  1. Monona County: -10.04
  2. Cass County: -4.6
  3. Monroe County: -4.39

Use the interactive visualization and the table below to explore the natural population increase rate for each Iowa county in 2014. You can also find links to the historical natural population increase rate for each county below.

Natural Population Increase Rate refers to the natural increase (number of births minus number of deaths) during a year per 1,000 population at midyear.

Iowa Natural Population Increase Rate By County in 2014
See this information for other years:
Iowa Natural Population Increase Rate By County in 2014
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County Natural Pop. Increase Rate
Adair -4.07
Adams 1.29
Allamakee 1.42
Appanoose -1.26
Audubon -3.1
Benton 2.57
Black Hawk 3.8
Boone -0.91
Bremer 2.31
Buchanan 3.37
Buena Vista 6.69
Butler -1.4
Calhoun -4.05
Carroll 0.78
Cass -4.6
Cedar 0.16
Cerro Gordo -0.3
Cherokee -1.44
Chickasaw 1.06
Clarke 0.54
Clay -0.49
Clayton 1.35
Clinton 0.23
Crawford 4.93
Dallas 10.12
Davis 6.05
Decatur -1.22
Delaware 2.35
Des Moines 0.07
Dickinson -3.2
Dubuque 3.56
Emmet 0
Fayette -3.43
Floyd 0.06
Franklin 2.1
Fremont -1.84
Greene -2.41
Grundy 0.24
Guthrie -1.4
Hamilton 2.22
Hancock -2.25
Hardin -1.32
Harrison 1.47
Henry 0.45
Howard 0.64
Humboldt -1.45
Ida -0.28
Iowa 3.41
Jackson -0.2
Jasper 0.71
Jefferson -1.07
Johnson 7.89
Jones -0.39
Keokuk 1.46
Kossuth -2.36
Lee -0.71
Linn 4.92
Louisa 2.39
Lucas -1.15
Lyon 6.49
Madison 1.87
Mahaska 2.27
Marion 1.75
Marshall 2.47
Mills 1.75
Mitchell 0.66
Monona -10.04
Monroe -4.39
Montgomery -3.56
Muscatine 3.91
O'Brien -1.14
Osceola 1.77
Page -0.58
Palo Alto -2.3
Plymouth 1.93
Pocahontas -0.7
Polk 8.01
Pottawattamie 2.95
Poweshiek -3.11
Ringgold -2.62
Sac -1.59
Scott 5.05
Shelby -3.11
Sioux 7.58
Story 4.43
Tama 1.67
Taylor -1.13
Union -2.38
Van Buren -1.48
Wapello 0.4
Warren 2.86
Washington 3
Wayne 2.04
Webster -0.3
Winnebago 3.24
Winneshiek -0.34
Woodbury 6.24
Worth -0.13
Wright -0.54

Historical Natural Population Increase Rate for Counties in Iowa

Use the links below to find the historical natural population increase rate for each county in Iowa.