Ranking of Kansas Counties By Population in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the Population for Kansas was 2.94M. Among all Kansas counties, Johnson County had the highest population (614.89K), followed by Sedgwick County (524.42K), and Shawnee County (178.40K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Kansas counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Kansas Counties By Population in 2021
Johnson
Sedgwick
Shawnee
Wyandotte
Douglas
Leavenworth
Riley
Butler
Reno
Saline
Ranking of Kansas Counties By Population in 2021
Items per page:
0 of 0
Rank County Population
1 Johnson County 614889
2 Sedgwick County 524423
3 Shawnee County 178403
4 Wyandotte County 167262
5 Douglas County 119493
6 Leavenworth County 82398
7 Riley County 71871
8 Butler County 67976
9 Reno County 61499
10 Saline County 53827
11 Crawford County 39028
12 Finney County 38079
13 Geary County 36116
14 Miami County 34641
15 Cowley County 34624
16 Ford County 34186
17 Harvey County 33788
18 Lyon County 32028
19 Montgomery County 31181
20 McPherson County 30164
21 Ellis County 28850
22 Franklin County 26002
23 Pottawatomie County 25873
24 Barton County 25263
25 Sumner County 22327
26 Seward County 21763
27 Labette County 19914
28 Cherokee County 19186
29 Dickinson County 18465
30 Jefferson County 18429
31 Atchison County 16236
32 Neosho County 15787
33 Osage County 15752
34 Bourbon County 14326
35 Jackson County 13263
36 Allen County 12498
37 Marion County 11750
38 Nemaha County 10226
39 Marshall County 10021
40 Linn County 9740
41 Brown County 9446
42 Rice County 9389
43 Pratt County 9168
44 Cloud County 8954
45 Wilson County 8520
46 Coffey County 8337
47 Clay County 8090
48 Thomas County 7948
49 Anderson County 7807
50 Doniphan County 7456
51 Grant County 7333
52 Kingman County 7291
53 Wabaunsee County 6970
54 Russell County 6697
55 Ellsworth County 6324
56 Pawnee County 6247
57 Sherman County 5932
58 Greenwood County 5921
59 Ottawa County 5830
60 Mitchell County 5744
61 Gray County 5664
62 Washington County 5525
63 Morris County 5386
64 Norton County 5369
65 Harper County 5355
66 Stevens County 5302
67 Scott County 5121
68 Rooks County 4865
69 Phillips County 4819
70 Republic County 4688
71 Barber County 4099
72 Stafford County 4008
73 Meade County 3997
74 Kearny County 3897
75 Haskell County 3652
76 Smith County 3573
77 Osborne County 3485
78 Chautauqua County 3389
79 Woodson County 3084
80 Jewell County 2942
81 Rush County 2928
82 Lincoln County 2910
83 Edwards County 2802
84 Trego County 2788
85 Decatur County 2766
86 Gove County 2747
87 Logan County 2710
88 Morton County 2671
89 Ness County 2651
90 Cheyenne County 2637
91 Chase County 2604
92 Rawlins County 2558
93 Hamilton County 2478
94 Sheridan County 2451
95 Elk County 2439
96 Kiowa County 2409
97 Graham County 2400
98 Wichita County 2080
99 Stanton County 2045
100 Clark County 1958
101 Hodgeman County 1724
102 Comanche County 1663
103 Lane County 1561
104 Wallace County 1513
105 Greeley County 1282