# Counties in Kansas by population aged 18 to 64, 2025

All 105 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_18_64_share`
- Unit: %
- Definition: Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (https://www.census.gov/programs-surveys/popest/data/data-sets.html)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population-18-64/kansas-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Riley County | 71.7 |
| 2 | Douglas County | 66.5 |
| 3 | Ellis County | 61.7 |
| 4 | Crawford County | 60.1 |
| 5 | Wyandotte County | 59.9 |
| 6 | Lyon County | 59.8 |
| 7 | Johnson County | 59.4 |
| 8 | Norton County | 59.2 |
| 9 | Leavenworth County | 58.8 |
| 10 | Sedgwick County | 58.8 |
| 11 | Atchison County | 58.8 |
| 12 | Finney County | 58.6 |
| 13 | Geary County | 58.6 |
| 14 | Seward County | 58.5 |
| 15 | Franklin County | 57.8 |
| 16 | Ford County | 57.5 |
| 17 | Butler County | 57.3 |
| 18 | Pawnee County | 57.2 |
| 19 | Saline County | 56.9 |
| 20 | Stanton County | 56.9 |
| 21 | Shawnee County | 56.7 |
| 22 | Miami County | 56.7 |
| 23 | Reno County | 56.5 |
| 24 | Doniphan County | 56.3 |
| 25 | Hamilton County | 56.1 |
| 26 | Chase County | 56 |
| 27 | Kingman County | 56 |
| 28 | Cowley County | 55.9 |
| 29 | Ellsworth County | 55.9 |
| 30 | Montgomery County | 55.8 |
| 31 | Thomas County | 55.8 |
| 32 | Cherokee County | 55.7 |
| 33 | McPherson County | 55.6 |
| 34 | Jefferson County | 55.5 |
| 35 | Grant County | 55.3 |
| 36 | Stevens County | 55.3 |
| 37 | Allen County | 55.2 |
| 38 | Neosho County | 54.8 |
| 39 | Rice County | 54.8 |
| 40 | Haskell County | 54.7 |
| 41 | Jackson County | 54.6 |
| 42 | Sherman County | 54.3 |
| 43 | Pottawatomie County | 54.2 |
| 44 | Harvey County | 54.2 |
| 45 | Sumner County | 54.1 |
| 46 | Dickinson County | 54.1 |
| 47 | Labette County | 54 |
| 48 | Kearny County | 54 |
| 49 | Cloud County | 53.9 |
| 50 | Bourbon County | 53.8 |
| 51 | Scott County | 53.7 |
| 52 | Ottawa County | 53.7 |
| 53 | Meade County | 53.6 |
| 54 | Linn County | 53.6 |
| 55 | Barton County | 53.4 |
| 56 | Anderson County | 53.4 |
| 57 | Edwards County | 53.4 |
| 58 | Osage County | 53.4 |
| 59 | Clay County | 53.3 |
| 60 | Logan County | 53.3 |
| 61 | Gray County | 52.9 |
| 62 | Pratt County | 52.9 |
| 63 | Morton County | 52.8 |
| 64 | Wabaunsee County | 52.5 |
| 65 | Russell County | 52.4 |
| 66 | Kiowa County | 52.3 |
| 67 | Wilson County | 52.3 |
| 68 | Woodson County | 52.3 |
| 69 | Hodgeman County | 52.3 |
| 70 | Marion County | 52.3 |
| 71 | Rooks County | 52 |
| 72 | Clark County | 51.9 |
| 73 | Coffey County | 51.8 |
| 74 | Brown County | 51.7 |
| 75 | Sheridan County | 51.3 |
| 76 | Nemaha County | 51.3 |
| 77 | Phillips County | 51.2 |
| 78 | Stafford County | 51 |
| 79 | Morris County | 51 |
| 80 | Greeley County | 50.8 |
| 81 | Harper County | 50.7 |
| 82 | Marshall County | 50.7 |
| 83 | Rush County | 50.7 |
| 84 | Washington County | 50.6 |
| 85 | Greenwood County | 50.5 |
| 86 | Lane County | 50.5 |
| 87 | Trego County | 50.5 |
| 88 | Mitchell County | 50.2 |
| 89 | Elk County | 50 |
| 90 | Comanche County | 50 |
| 91 | Ness County | 49.8 |
| 92 | Graham County | 49.8 |
| 93 | Chautauqua County | 49.5 |
| 94 | Wichita County | 49.3 |
| 95 | Barber County | 49.2 |
| 96 | Lincoln County | 49 |
| 97 | Republic County | 48.9 |
| 98 | Gove County | 48.4 |
| 99 | Smith County | 48.3 |
| 100 | Jewell County | 47.7 |
| 101 | Osborne County | 47.6 |
| 102 | Cheyenne County | 47.6 |
| 103 | Decatur County | 47.5 |
| 104 | Wallace County | 47.5 |
| 105 | Rawlins County | 47.4 |
