Kansas Population By County in 2018
Updated on December 2, 2021.
According to the US Census Bureau population estimates, there were 2,912,748 people living in Kansas in 2018. Johnson County was the most populated county with 599,045 residents, followed by Sedgwick County with 513,877 residents, and Shawnee County with 177,224 residents. Greeley 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 of each county in Kansas in 2018. The data can also be explored further by sorting and filtering with the table below.
Hover/Click on the counties to see the values.
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% |