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: 10.12
  2. Polk: 8.01
  3. Johnson: 7.89

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

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

Use the interactive visualization and the table below to explore the natural population increase rate for each Iowa county in 2014.

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.

See this for other years:
Iowa Natural Population Increase Rate By County in 2014
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