Kansas Counties by Population (2026)

by Kristen Carney

Updated: February 9, 2026

The most populous counties in Kansas are Johnson County with 620,631, Sedgwick County at 528,226, Shawnee County with 178,025, Wyandotte County at 167,654, and Douglas County with 120,302. 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 2024 American Community Survey.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Kansas counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

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Rank County Population
1 Johnson County 620,631
2 Sedgwick County 528,226
3 Shawnee County 178,025
4 Wyandotte County 167,654
5 Douglas County 120,302
6 Leavenworth County 83,123
7 Riley County 71,946
8 Butler County 68,287
9 Reno County 61,553
10 Saline County 53,668
11 Crawford County 39,008
12 Finney County 38,084
13 Geary County 35,815
14 Miami County 34,938
15 Cowley County 34,411
16 Ford County 34,074
17 Harvey County 33,756
18 Lyon County 32,186
19 Montgomery County 30,940
20 McPherson County 30,205
21 Ellis County 28,920
22 Pottawatomie County 26,204
23 Franklin County 26,106
24 Barton County 25,097
25 Sumner County 22,353
26 Seward County 21,486
27 Labette County 19,869
28 Cherokee County 19,151
29 Dickinson County 18,445
30 Jefferson County 18,349
31 Atchison County 16,208
32 Osage County 15,744
33 Neosho County 15,656
34 Bourbon County 14,394
35 Jackson County 13,341
36 Allen County 12,483
37 Marion County 11,754
38 Nemaha County 10,160
39 Marshall County 9,993
40 Linn County 9,767
41 Rice County 9,350
42 Brown County 9,343
43 Pratt County 9,127
44 Cloud County 8,898
45 Wilson County 8,505
46 Coffey County 8,308
47 Clay County 8,048
48 Thomas County 7,885
49 Anderson County 7,834
50 Doniphan County 7,503
51 Grant County 7,229
52 Kingman County 7,186
53 Wabaunsee County 7,009
54 Russell County 6,679
55 Ellsworth County 6,360
56 Pawnee County 6,144
57 Greenwood County 5,919
58 Sherman County 5,858
59 Ottawa County 5,819
60 Mitchell County 5,779
61 Gray County 5,701
62 Washington County 5,533
63 Harper County 5,400
64 Norton County 5,359
65 Morris County 5,340
66 Stevens County 5,162
67 Scott County 5,027
68 TIE Phillips County 4,813
68 TIE Rooks County 4,813
70 Republic County 4,646
71 Barber County 4,069
72 Stafford County 3,978
73 Meade County 3,903
74 Kearny County 3,864
75 Haskell County 3,641
76 Smith County 3,552
77 Osborne County 3,452
78 Chautauqua County 3,370
79 Woodson County 3,109
80 Rush County 2,947
81 Lincoln County 2,923
82 Jewell County 2,916
83 Gove County 2,799
84 Edwards County 2,779
85 Trego County 2,777
86 Decatur County 2,726
87 Logan County 2,707
88 Ness County 2,653
89 Cheyenne County 2,628
90 Morton County 2,611
91 Chase County 2,561
92 Rawlins County 2,516
93 Hamilton County 2,471
94 Elk County 2,453
95 Sheridan County 2,426
96 Kiowa County 2,422
97 Graham County 2,389
98 Wichita County 2,091
99 Stanton County 2,038
100 Clark County 1,974
101 Comanche County 1,729
102 Hodgeman County 1,652
103 Lane County 1,461
104 Wallace County 1,417
105 Greeley County 1,304

United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/.

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