Population of Counties in Kansas (2018)

Name 2018 Population Growth Since 2010
Johnson County591,1788.33%
Sedgwick County513,6872.91%
Shawnee County178,187-0.09%
Wyandotte County165,2884.85%
Douglas County120,7938.60%
Leavenworth County81,0955.97%
Riley County74,1723.64%
Butler County66,8781.47%
Reno County62,510-3.16%
Saline County54,734-1.94%
Crawford County39,034-0.36%
Finney County37,0840.36%
Cowley County35,361-2.61%
Harvey County34,544-0.56%
Ford County34,3811.05%
Geary County33,855-3.95%
Miami County33,4611.75%
Lyon County33,392-0.77%
Montgomery County32,556-7.91%
McPherson County28,708-1.34%
Ellis County28,6890.93%
Barton County26,476-4.33%
Franklin County25,733-0.97%
Pottawatomie County23,90810.03%
Sumner County23,159-3.97%
Seward County22,159-3.57%
Labette County20,145-6.47%
Cherokee County20,115-6.54%
Jefferson County18,998-0.73%
Dickinson County18,902-4.41%
Atchison County16,332-3.12%
Neosho County16,015-2.82%
Osage County15,772-3.10%
Bourbon County14,754-2.52%
Jackson County13,318-1.08%
Allen County12,519-6.27%
Marion County11,986-5.40%
Nemaha County10,118-0.40%
Marshall County9,745-3.62%
Linn County9,7261.03%
Rice County9,660-4.49%
Brown County9,641-3.28%
Pratt County9,547-0.95%
Cloud County8,991-5.55%
Wilson County8,675-7.64%
Coffey County8,224-4.21%
Clay County7,958-6.88%
Anderson County7,833-3.33%
Thomas County7,788-1.79%
Doniphan County7,727-2.93%
Grant County7,526-3.82%
Kingman County7,360-6.33%
Russell County6,915-1.27%
Wabaunsee County6,874-2.43%
Pawnee County6,680-4.30%
Ellsworth County6,330-2.79%
Mitchell County6,128-3.28%
Greenwood County6,123-8.34%
Gray County5,958-1.13%
Sherman County5,930-1.46%
Ottawa County5,863-3.82%
Stevens County5,612-2.43%
Harper County5,590-6.96%
Washington County5,485-5.19%
Morris County5,455-7.85%
Norton County5,441-3.95%
Phillips County5,370-4.69%
Rooks County5,043-2.91%
Scott County4,9610.02%
Republic County4,691-5.00%
Barber County4,586-5.56%
Meade County4,303-6.38%
Stafford County4,207-5.01%
Haskell County4,053-5.15%
Kearny County3,960-1.05%
Smith County3,668-4.97%
Osborne County3,610-6.16%
Chautauqua County3,363-7.84%
Woodson County3,147-4.90%
Rush County3,103-6.37%
Lincoln County3,043-6.20%
Edwards County2,893-5.27%
Decatur County2,885-2.43%
Trego County2,884-4.06%
Ness County2,869-7.57%
Jewell County2,850-7.08%
Logan County2,8211.88%
Morton County2,740-15.43%
Cheyenne County2,683-1.14%
Chase County2,683-3.59%
Hamilton County2,640-2.58%
Gove County2,631-2.45%
Sheridan County2,527-0.12%
Elk County2,498-12.87%
Rawlins County2,4970.04%
Graham County2,495-4.26%
Kiowa County2,485-3.27%
Wichita County2,125-5.05%
Stanton County2,060-8.24%
Clark County2,004-8.87%
Hodgeman County1,842-4.01%
Comanche County1,790-4.94%
Lane County1,559-10.20%
Wallace County1,5242.97%
Greeley County1,249-0.79%