Kansas Population By County in 2018
Updated on January 29, 2024.
According to the US Census Bureau population estimates, there were 2,912,748 people living in Kansas in 2018. Johnson[object Promise] County was the most populated county with 599,045 residents, followed by Sedgwick[object Promise] County with 513,877 residents, and Shawnee[object Promise] County with 177,224 residents. Greeley[object Promise] County with a population of 1,229 was the least populated county in Kansas in 2018.
Use the map below to interactively explore the population for each county in Kansas in 2018. The data can also be explored further by sorting and filtering with the table below.
You can see similar information for other states and by state for the United States.
Related Topics: Kansas Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Kansas Population By County (2018)
Table of Kansas Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Allen | 12,500 | 0.43% |
| Anderson | 7,858 | 0.27% |
| Atchison | 16,202 | 0.56% |
| Barber | 4,462 | 0.15% |
| Barton | 26,120 | 0.90% |
| Bourbon | 14,538 | 0.50% |
| Brown | 9,592 | 0.33% |
| Butler | 66,887 | 2.30% |
| Chase | 2,565 | 0.09% |
| Chautauqua | 3,287 | 0.11% |
| Cherokee | 20,024 | 0.69% |
| Cheyenne | 2,625 | 0.09% |
| Clark | 1,995 | 0.07% |
| Clay | 8,008 | 0.28% |
| Cloud | 8,725 | 0.30% |
| Coffey | 8,212 | 0.28% |
| Comanche | 1,740 | 0.06% |
| Cowley | 35,067 | 1.20% |
| Crawford | 38,884 | 1.34% |
| Decatur | 2,842 | 0.10% |
| Dickinson | 18,621 | 0.64% |
| Doniphan | 7,632 | 0.26% |
| Douglas | 121,327 | 4.17% |
| Edwards | 2,806 | 0.10% |
| Elk | 2,470 | 0.09% |
| Ellis | 28,709 | 0.99% |
| Ellsworth | 6,156 | 0.21% |
| Finney | 36,473 | 1.25% |
| Ford | 33,623 | 1.15% |
| Franklin | 25,681 | 0.88% |
| Geary | 32,998 | 1.13% |
| Gove | 2,612 | 0.09% |
| Graham | 2,448 | 0.08% |
| Grant | 7,271 | 0.25% |
| Gray | 6,085 | 0.21% |
| Greeley | 1,229 | 0.04% |
| Greenwood | 6,008 | 0.21% |
| Hamilton | 2,584 | 0.09% |
| Harper | 5,500 | 0.19% |
| Harvey | 34,225 | 1.18% |
| Haskell | 3,993 | 0.14% |
| Hodgeman | 1,799 | 0.06% |
| Jackson | 13,288 | 0.46% |
| Jefferson | 18,901 | 0.65% |
| Jewell | 2,832 | 0.10% |
| Johnson | 599,045 | 20.57% |
| Kearny | 3,926 | 0.14% |
| Kingman | 7,148 | 0.25% |
| Kiowa | 2,490 | 0.09% |
| Labette | 19,929 | 0.68% |
| Lane | 1,535 | 0.05% |
| Leavenworth | 81,659 | 2.80% |
| Lincoln | 2,994 | 0.10% |
| Linn | 9,771 | 0.34% |
| Logan | 2,804 | 0.10% |
| Lyon | 33,302 | 1.14% |
| McPherson | 28,565 | 0.98% |
| Marion | 11,885 | 0.41% |
| Marshall | 9,718 | 0.33% |
| Meade | 4,091 | 0.14% |
| Miami | 33,714 | 1.16% |
| Mitchell | 6,096 | 0.21% |
| Montgomery | 32,040 | 1.10% |
| Morris | 5,551 | 0.19% |
| Morton | 2,662 | 0.09% |
| Nemaha | 10,085 | 0.35% |
| Neosho | 15,984 | 0.55% |
| Ness | 2,811 | 0.10% |
| Norton | 5,443 | 0.19% |
| Osage | 15,921 | 0.55% |
| Osborne | 3,456 | 0.12% |
| Ottawa | 5,744 | 0.20% |
| Pawnee | 6,554 | 0.23% |
| Phillips | 5,274 | 0.18% |
| Pottawatomie | 24,243 | 0.83% |
| Pratt | 9,326 | 0.32% |
| Rawlins | 2,483 | 0.09% |
| Reno | 62,363 | 2.14% |
| Republic | 4,623 | 0.16% |
| Rice | 9,453 | 0.33% |
| Riley | 74,826 | 2.57% |
| Rooks | 4,989 | 0.17% |
| Rush | 3,037 | 0.10% |
| Russell | 6,885 | 0.24% |
| Saline | 54,351 | 1.87% |
| Scott | 4,918 | 0.17% |
| Sedgwick | 513,877 | 17.64% |
| Seward | 21,904 | 0.75% |
| Shawnee | 177,224 | 6.08% |
| Sheridan | 2,521 | 0.09% |
| Sherman | 5,915 | 0.20% |
| Smith | 3,582 | 0.12% |
| Stafford | 4,119 | 0.14% |
| Stanton | 2,026 | 0.07% |
| Stevens | 5,496 | 0.19% |
| Sumner | 22,982 | 0.79% |
| Thomas | 7,673 | 0.26% |
| Trego | 2,782 | 0.10% |
| Wabaunsee | 6,882 | 0.24% |
| Wallace | 1,484 | 0.05% |
| Washington | 5,457 | 0.19% |
| Wichita | 2,112 | 0.07% |
| Wilson | 8,668 | 0.30% |
| Woodson | 3,165 | 0.11% |
| Wyandotte | 165,781 | 5.69% |