Ranking of Iowa Counties By Natural Population Increase in 2016
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2016, the Natural Population Increase for Iowa was 10.27K. Among all Iowa counties, Iowa had the highest natural population increase (10.27K), followed by Polk County (3.62K), and Johnson County (1.08K).
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.
Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2016 Census.
See this for other years:
Ranking of Iowa Counties By Natural Population Increase in 2016
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| Rank | County | Natural Pop. Increase |
|---|---|---|
| 1 | Iowa | 10265 |
| 2 | Polk County | 3616 |
| 3 | Johnson County | 1077 |
| 4 | Linn County | 1042 |
| 5 | Dallas County | 835 |
| 6 | Scott County | 753 |
| 7 | Woodbury County | 596 |
| 8 | Black Hawk County | 574 |
| 9 | Story County | 350 |
| 10 | Dubuque County | 334 |
| 11 | Pottawattamie County | 310 |
| 12 | Sioux County | 230 |
| 13 | Warren County | 178 |
| 14 | Muscatine County | 120 |
| 15 | Buena Vista County | 108 |
| 16 | Bremer County | 88 |
| 17 | Crawford County | 86 |
| 18 | Lyon County | 85 |
| 19 | Plymouth County | 78 |
| 20 | Buchanan County | 73 |
| 21 | Washington County | 72 |
| 22 | Mahaska County | 69 |
| 23 | Benton County | 65 |
| 24 | Des Moines County | 60 |
| 25 | Marshall County | 57 |
| 26 | Jasper County | 55 |
| 27 | Davis County | 53 |
| 28 | Hamilton County | 47 |
| 29 | Marion County | 45 |
| 29 | Wapello County | 45 |
| 30 | Delaware County | 42 |
| 31 | Jackson County | 41 |
| 32 | Louisa County | 36 |
| 33 | Tama County | 28 |
| 34 | Floyd County | 21 |
| 34 | Mills County | 21 |
| 35 | Clarke County | 18 |
| 36 | Madison County | 11 |
| 37 | Henry County | 10 |
| 37 | Keokuk County | 10 |
| 38 | Taylor County | 9 |
| 39 | Grundy County | 8 |
| 39 | Webster County | 8 |
| 40 | Clinton County | 7 |
| 40 | Guthrie County | 7 |
| 40 | Jefferson County | 7 |
| 41 | Decatur County | 6 |
| 42 | Winneshiek County | 5 |
| 43 | Carroll County | 4 |
| 43 | Mitchell County | 4 |
| 44 | Chickasaw County | 3 |
| 45 | Wayne County | 2 |
| 46 | Allamakee County | 0 |
| 46 | Hancock County | 0 |
| 47 | Howard County | -1 |
| 48 | Wright County | -2 |
| 49 | Cedar County | -3 |
| 50 | Kossuth County | -5 |
| 50 | Montgomery County | -5 |
| 50 | Osceola County | -5 |
| 51 | Emmet County | -6 |
| 52 | Greene County | -7 |
| 53 | Monroe County | -8 |
| 53 | Van Buren County | -8 |
| 54 | Ida County | -9 |
| 55 | Jones County | -10 |
| 56 | Franklin County | -11 |
| 56 | Worth County | -11 |
| 57 | Fremont County | -12 |
| 57 | Ringgold County | -12 |
| 58 | Adams County | -15 |
| 58 | Palo Alto County | -15 |
| 59 | Audubon County | -16 |
| 60 | Appanoose County | -17 |
| 60 | Clayton County | -17 |
| 60 | Humboldt County | -17 |
| 61 | Clay County | -19 |
| 61 | Dickinson County | -19 |
| 61 | Lucas County | -19 |
| 62 | Harrison County | -25 |
| 63 | O'Brien County | -26 |
| 64 | Pocahontas County | -27 |
| 64 | Union County | -27 |
| 65 | Calhoun County | -29 |
| 66 | Sac County | -33 |
| 67 | Poweshiek County | -36 |
| 68 | Adair County | -38 |
| 68 | Boone County | -38 |
| 68 | Page County | -38 |
| 69 | Fayette County | -43 |
| 69 | Hardin County | -43 |
| 69 | Shelby County | -43 |
| 69 | Winnebago County | -43 |
| 70 | Butler County | -44 |
| 71 | Cass County | -48 |
| 72 | Cherokee County | -54 |
| 73 | Lee County | -56 |
| 74 | Monona County | -70 |
| 75 | Cerro Gordo County | -108 |