Ranking of Kansas Counties By Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Kansas (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 161,293. Among all Kansas counties, Sedgwick County had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (35,387), followed by Wyandotte County (20,121), and Johnson County (15,307).

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

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of Kansas Counties By Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Sedgwick County
Wyandotte County
Johnson County
Shawnee County
Finney County
Ford County
Leavenworth County
Seward County
Reno County
Butler County
Ranking of Kansas Counties By Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Sedgwick County 35387
2 Wyandotte County 20121
3 Johnson County 15307
4 Shawnee County 8279
5 Finney County 6388
6 Ford County 5141
7 Leavenworth County 3904
8 Seward County 3817
9 Reno County 3724
10 Butler County 2787
11 Douglas County 2613
12 Saline County 2447
13 Lyon County 2246
14 Montgomery County 2148
15 Barton County 1976
16 Harvey County 1881
17 Cowley County 1856
18 McPherson County 1689
19 Crawford County 1590
20 Cherokee County 1569
21 Riley County 1447
22 Labette County 1365
23 Franklin County 1255
24 Geary County 1216
25 Miami County 1085
26 Ellis County 1062
27 Sumner County 1015
28 Neosho County 948
29 Bourbon County 937
30 Grant County 918
31 Osage County 905
32 Dickinson County 865
33 Stevens County 859
34 Gray County 787
35 Anderson County 753
36 Pottawatomie County 683
37 Jefferson County 667
38 Haskell County 666
39 Marion County 664
40 Allen County 630
41 Atchison County 615
42 Marshall County 594
43 Wilson County 562
44 Scott County 534
45 Kearny County 523
46 Jackson County 505
47 Kingman County 471
48 Pawnee County 453
49 Doniphan County 438
50 Linn County 433
50 Rice County 433
51 Nemaha County 432
52 Pratt County 430
53 Brown County 418
54 Harper County 410
55 Meade County 406
56 Thomas County 398
57 Norton County 390
58 Ellsworth County 385
59 Sherman County 366
60 Coffey County 362
61 Rooks County 336
62 Greenwood County 335
63 Clay County 330
64 Russell County 327
65 Phillips County 321
66 Hamilton County 306
67 Cloud County 300
68 Chautauqua County 291
69 Morris County 284
70 Edwards County 265
71 Barber County 254
72 Washington County 244
73 Stanton County 239
74 Elk County 227
75 Morton County 222
76 Woodson County 221
77 Stafford County 217
78 Wichita County 208
79 Ottawa County 203
80 Mitchell County 202
81 Kiowa County 189
82 Wabaunsee County 169
83 Ness County 161
83 Republic County 161
84 Jewell County 158
85 Rush County 157
86 Cheyenne County 151
87 Osborne County 150
88 Logan County 142
89 Decatur County 133
90 Chase County 118
91 Trego County 114
92 Graham County 110
93 Gove County 109
93 Hodgeman County 109
94 Smith County 101
95 Greeley County 98
96 Lincoln County 92
97 Rawlins County 85
98 Clark County 80
99 Sheridan County 71
100 Comanche County 56
101 Lane County 46
101 Wallace County 46