Ranking of Kansas Counties By Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 712.31K people in Kansas with Unclassified ancestry. Among all Kansas counties, Sedgwick County had the highest population with Unclassified ancestry (123.44K), followed by Johnson County (122.98K), and Shawnee County (42.02K).

The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Kansas.

Data Source: US Census Bureau.
Ranking of Kansas Counties By Population with Unclassified Ancestry in 2021
Sedgwick County
Johnson County
Shawnee County
Wyandotte County
Leavenworth County
Butler County
Douglas County
Reno County
Riley County
Saline County
Ranking of Kansas Counties By Population with Unclassified Ancestry in 2021
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Rank County Population
1 Sedgwick County 123443
2 Johnson County 122975
3 Shawnee County 42022
4 Wyandotte County 38789
5 Leavenworth County 23702
6 Butler County 21633
7 Douglas County 21612
8 Reno County 18915
9 Riley County 14844
10 Saline County 14156
11 Miami County 11162
12 Cowley County 10769
13 Montgomery County 10574
14 Harvey County 8830
15 Franklin County 8760
16 Lyon County 8544
17 Geary County 8278
18 Barton County 7964
19 McPherson County 7779
20 Finney County 7478
21 Crawford County 7197
22 Ford County 6899
23 Pottawatomie County 6604
24 Sumner County 6127
25 Ellis County 6055
26 Cherokee County 5600
27 Dickinson County 5207
28 Labette County 5029
29 Neosho County 4739
30 Atchison County 4730
31 Jefferson County 4534
32 Osage County 4333
33 Allen County 4003
34 Bourbon County 3985
35 Seward County 3860
36 Linn County 3804
37 Jackson County 3537
38 Wilson County 3234
39 Marion County 3026
40 Marshall County 2927
41 Grant County 2734
42 Brown County 2608
43 Doniphan County 2569
44 Cloud County 2553
45 Pratt County 2511
46 Nemaha County 2499
47 Anderson County 2483
48 Rice County 2443
49 Kingman County 2422
50 Thomas County 2368
51 Coffey County 2330
52 Pawnee County 2307
53 Clay County 2191
54 Sherman County 2095
55 Russell County 2069
56 Ellsworth County 2046
57 Greenwood County 1836
58 Harper County 1737
59 Mitchell County 1664
60 Ottawa County 1658
61 Wabaunsee County 1612
62 Stafford County 1571
63 Stevens County 1543
64 Morris County 1504
65 Barber County 1458
66 Norton County 1425
67 Chautauqua County 1326
68 Kearny County 1325
69 Rooks County 1302
70 Scott County 1249
71 Gray County 1202
72 Republic County 1087
73 Phillips County 1073
74 Washington County 990
75 Smith County 972
76 Jewell County 961
76 Morton County 961
77 Elk County 891
78 Haskell County 874
79 Osborne County 870
80 Logan County 836
81 Edwards County 801
82 Woodson County 794
83 Meade County 779
84 Decatur County 765
85 Trego County 744
86 Sheridan County 723
87 Chase County 679
87 Lincoln County 679
88 Hodgeman County 676
89 Cheyenne County 660
90 Gove County 656
91 Graham County 621
92 Kiowa County 611
93 Hamilton County 574
94 Rawlins County 571
95 Lane County 540
96 Comanche County 530
96 Ness County 530
97 Wichita County 506
98 Wallace County 503
99 Clark County 490
100 Rush County 452
101 Stanton County 376
102 Greeley County 234