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 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 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.

See this for other years:
Kansas Population By County (2018)
Table of Kansas Population By County in 2018
Items per page:
0 of 0
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%