Ranking of Kansas Counties By Total Population from Census 2020

Updated on February 7, 2023.

According to the data from the US 2020 Census, the most populated Kansas county as at April 2020 was Johnson County (609.86K), followed by Sedgwick County (523.82K), and Shawnee County (178.91K).

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

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of Kansas Counties By Total Population from Census 2020
Johnson
Sedgwick
Shawnee
Wyandotte
Douglas
Leavenworth
Riley
Butler
Reno
Saline
Ranking of Kansas Counties By Total Population from Census 2020
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Rank County Population
1 Johnson County 609863
2 Sedgwick County 523824
3 Shawnee County 178909
4 Wyandotte County 169245
5 Douglas County 118785
6 Leavenworth County 81881
7 Riley County 71959
8 Butler County 67380
9 Reno County 61898
10 Saline County 54303
11 Crawford County 38972
12 Finney County 38470
13 Geary County 36739
14 Cowley County 34549
15 Ford County 34287
16 Miami County 34191
17 Harvey County 34024
18 Lyon County 32179
19 Montgomery County 31486
20 McPherson County 30223
21 Ellis County 28934
22 Franklin County 25996
23 Barton County 25493
24 Pottawatomie County 25348
25 Sumner County 22382
26 Seward County 21964
27 Labette County 20184
28 Cherokee County 19362
29 Dickinson County 18402
30 Jefferson County 18368
31 Atchison County 16348
32 Neosho County 15904
33 Osage County 15766
34 Bourbon County 14360
35 Jackson County 13232
36 Allen County 12526
37 Marion County 11823
38 Nemaha County 10273
39 Marshall County 10038
40 Linn County 9591
41 Brown County 9508
42 Rice County 9427
43 Pratt County 9157
44 Cloud County 9032
45 Wilson County 8624
46 Coffey County 8360
47 Clay County 8117
48 Thomas County 7930
49 Anderson County 7836
50 Doniphan County 7510
51 Kingman County 7470
52 Grant County 7352
53 Wabaunsee County 6877
54 Russell County 6691
55 Ellsworth County 6376
56 Pawnee County 6253
57 Greenwood County 6016
58 Sherman County 5927
59 Mitchell County 5796
60 Ottawa County 5735
61 Gray County 5653
62 Washington County 5530
63 Harper County 5485
64 Norton County 5459
65 Morris County 5386
66 Stevens County 5250
67 Scott County 5151
68 Phillips County 4981
69 Rooks County 4919
70 Republic County 4674
71 Barber County 4228
72 Stafford County 4072
73 Meade County 4055
74 Kearny County 3983
75 Haskell County 3780
76 Smith County 3570
77 Osborne County 3500
78 Chautauqua County 3379
79 Woodson County 3115
80 Rush County 2956
81 Lincoln County 2939
82 Jewell County 2932
83 Edwards County 2907
84 Trego County 2808
85 Decatur County 2764
86 Logan County 2762
87 Gove County 2718
88 Morton County 2701
89 Ness County 2687
90 Cheyenne County 2616
91 Chase County 2572
92 Rawlins County 2561
93 Hamilton County 2518
94 Elk County 2483
95 Kiowa County 2460
96 Sheridan County 2447
97 Graham County 2415
98 Wichita County 2152
99 Stanton County 2084
100 Clark County 1991
101 Hodgeman County 1723
102 Comanche County 1689
103 Lane County 1574
104 Wallace County 1512
105 Greeley County 1284