Kansas Counties by Population (2024)

by Kristen Carney Kristen Carney

Updated: June 20, 2024

The most populated counties in Kansas are Johnson County with 622,237, Sedgwick County at 528,469, Shawnee County with 177,746, Wyandotte County at 165,281, and Douglas County with 120,553. You can get the most current Census population data for all 105 Kansas counties, sorted from the most populous counties in Kansas to the least, according to the 2023 Population Estimates Program.

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Rank County Population
1 Johnson County 622,237
2 Sedgwick County 528,469
3 Shawnee County 177,746
4 Wyandotte County 165,281
5 Douglas County 120,553
6 Leavenworth County 83,518
7 Riley County 71,402
8 Butler County 68,632
9 Reno County 61,497
10 Saline County 53,098
11 Crawford County 38,764
12 Finney County 37,466
13 Miami County 35,320
14 Geary County 35,047
15 Cowley County 34,157
16 Ford County 33,980
17 Harvey County 33,504
18 Lyon County 32,172
19 Montgomery County 30,568
20 McPherson County 30,091
21 Ellis County 28,810
22 Pottawatomie County 26,382
23 Franklin County 26,125
24 Barton County 24,899
25 Sumner County 22,334
26 Seward County 21,067
27 Labette County 19,728
28 Cherokee County 19,054
29 Dickinson County 18,445
30 Jefferson County 18,327
31 Atchison County 16,016
32 Osage County 15,824
33 Neosho County 15,420
34 Bourbon County 14,408
35 Jackson County 13,368
36 Allen County 12,412
37 Marion County 11,690
38 Nemaha County 10,114
39 Marshall County 9,933
40 Linn County 9,860
41 Rice County 9,260
42 Brown County 9,250
43 Pratt County 9,082
44 Cloud County 8,854
45 Wilson County 8,382
46 Coffey County 8,251
47 Clay County 8,007
48 Thomas County 7,865
49 Anderson County 7,838
50 Doniphan County 7,493
51 Grant County 7,147
52 Kingman County 7,066
53 Wabaunsee County 7,057
54 Russell County 6,723
55 Ellsworth County 6,357
56 Pawnee County 6,126
57 Greenwood County 5,870
58 Sherman County 5,844
59 Ottawa County 5,818
60 Gray County 5,743
61 Mitchell County 5,719
62 Washington County 5,504
63 Harper County 5,435
64 Morris County 5,334
65 Norton County 5,330
66 Stevens County 5,077
67 Scott County 4,922
68 Rooks County 4,778
69 Phillips County 4,761
70 Republic County 4,627
71 Barber County 4,071
72 Meade County 3,911
73 Stafford County 3,909
74 Kearny County 3,823
75 Haskell County 3,630
76 Smith County 3,590
77 Osborne County 3,427
78 Chautauqua County 3,347
79 Woodson County 3,115
80 Lincoln County 2,920
81 Jewell County 2,847
82 Rush County 2,830
83 Gove County 2,735
84 Edwards County 2,733
85 Trego County 2,731
86 Decatur County 2,712
87 Logan County 2,665
88 Cheyenne County 2,636
89 Ness County 2,618
90 Morton County 2,580
91 Chase County 2,579
92 Elk County 2,467
93 Rawlins County 2,463
94 Hamilton County 2,437
95 Sheridan County 2,423
96 Graham County 2,376
97 Kiowa County 2,374
98 Wichita County 2,082
99 Stanton County 1,901
100 Clark County 1,847
101 TIE Comanche County 1,655
101 TIE Hodgeman County 1,655
103 Lane County 1,529
104 Wallace County 1,509
105 Greeley County 1,181

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. U.S. Census Bureau, Population Division. Web. May 2024. http://www.census.gov/.

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