RANKING · 2020 CENSUS · 105 SHOWN OF 105

Largest by population, Kansas counties · 2020

The most populous Kansas counties as of the 2020 population estimates. This list covers the 105 counties in Kansas that qualify, ranked against each other statewide.

KansasAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Johnson County, KSKS609,863+35%

02Sedgwick County, KSKS523,824+16%

03Shawnee County, KSKS178,909+5%

04Wyandotte County, KSKS169,245+7%

05Douglas County, KSKS118,785+19%

06Leavenworth County, KSKS81,881+19%

07Riley County, KSKS71,959+15%

08Butler County, KSKS67,380+13%

09Reno County, KSKS61,898−4%

10Saline County, KSKS54,303+1%

11Crawford County, KSKS38,972+2%

12Finney County, KSKS38,470−5%

13Geary County, KSKS36,739+31%

14Cowley County, KSKS34,549−5%

15Ford County, KSKS34,287+6%

16Miami County, KSKS34,191+21%

17Harvey County, KSKS34,024+4%

18Lyon County, KSKS32,179−10%

19Montgomery County, KSKS31,486−13%

20McPherson County, KSKS30,223+2%

21Ellis County, KSKS28,934+5%

22Franklin County, KSKS25,996+5%

23Barton County, KSKS25,493−10%

24Pottawatomie County, KSKS25,348+39%

25Sumner County, KSKS22,382−14%

26Seward County, KSKS21,964−2%

27Labette County, KSKS20,184−12%

28Cherokee County, KSKS19,362−14%

29Dickinson County, KSKS18,402−5%

30Jefferson County, KSKS18,368−0%

31Atchison County, KSKS16,348−3%

32Neosho County, KSKS15,904−6%

33Osage County, KSKS15,766−6%

34Bourbon County, KSKS14,360−7%

35Jackson County, KSKS13,232+5%

36Allen County, KSKS12,526−13%

37Marion County, KSKS11,823−12%

38Nemaha County, KSKS10,273−4%

39Marshall County, KSKS10,038−8%

40Linn County, KSKS9,591+0%

41Brown County, KSKS9,508−11%

42Rice County, KSKS9,427−12%

43Pratt County, KSKS9,157−5%

44Cloud County, KSKS9,032−12%

45Wilson County, KSKS8,624−17%

46Coffey County, KSKS8,360−6%

47Clay County, KSKS8,117−8%

48Thomas County, KSKS7,930−3%

49Anderson County, KSKS7,836−3%

50Doniphan County, KSKS7,510−9%

51Kingman County, KSKS7,470−14%

52Grant County, KSKS7,352−7%

53Wabaunsee County, KSKS6,877−0%

54Russell County, KSKS6,691−9%

55Ellsworth County, KSKS6,376−2%

56Pawnee County, KSKS6,253−14%

57Greenwood County, KSKS6,016−22%

58Sherman County, KSKS5,927−12%

59Mitchell County, KSKS5,796−16%

60Ottawa County, KSKS5,735−7%

61Gray County, KSKS5,653−4%

62Washington County, KSKS5,530−15%

63Harper County, KSKS5,485−16%

64Norton County, KSKS5,459−8%

65Morris County, KSKS5,386−12%

66Stevens County, KSKS5,250−4%

67Scott County, KSKS5,151+1%

68Phillips County, KSKS4,981−17%

69Rooks County, KSKS4,919−13%

70Republic County, KSKS4,674−20%

71Barber County, KSKS4,228−20%

72Stafford County, KSKS4,072−15%

73Meade County, KSKS4,055−12%

74Kearny County, KSKS3,983−12%

75Haskell County, KSKS3,780−12%

76Smith County, KSKS3,570−21%

77Osborne County, KSKS3,500−21%

78Chautauqua County, KSKS3,379−22%

79Woodson County, KSKS3,115−18%

80Rush County, KSKS2,956−17%

81Lincoln County, KSKS2,939−18%

82Jewell County, KSKS2,932−23%

83Edwards County, KSKS2,907−16%

84Trego County, KSKS2,808−15%

85Decatur County, KSKS2,764−20%

86Logan County, KSKS2,762−9%

87Gove County, KSKS2,718−11%

88Morton County, KSKS2,701−23%

89Ness County, KSKS2,687−22%

90Cheyenne County, KSKS2,616−17%

91Chase County, KSKS2,572−15%

92Rawlins County, KSKS2,561−14%

93Hamilton County, KSKS2,518−6%

94Elk County, KSKS2,483−24%

95Kiowa County, KSKS2,460−25%

96Sheridan County, KSKS2,447−13%

97Graham County, KSKS2,415−18%

98Wichita County, KSKS2,152−15%

99Stanton County, KSKS2,084−13%

100Clark County, KSKS1,991−17%

101Hodgeman County, KSKS1,723−17%

102Comanche County, KSKS1,689−14%

103Lane County, KSKS1,574−27%

104Wallace County, KSKS1,512−14%

105Greeley County, KSKS1,284−16%

SHOWING 1–105 OF 105

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS