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.
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Related Topics: Kansas ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
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 |