Ranking of Nebraska Counties By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the population of Nebraska (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 326,345. Among all Nebraska counties, Douglas County had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (78,693), followed by Lancaster County (41,872), and Sarpy County (25,261).
The chart below shows the top 10 Nebraska counties, and the table below shows the ranking of all Nebraska 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: Nebraska ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Nebraska Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Number of People |
|---|---|---|
| 1 | Douglas County | 78693 |
| 2 | Lancaster County | 41872 |
| 3 | Sarpy County | 25261 |
| 4 | Hall County | 12541 |
| 5 | Dodge County | 8946 |
| 6 | Buffalo County | 7597 |
| 7 | Lincoln County | 7331 |
| 8 | Madison County | 7263 |
| 9 | Scotts Bluff County | 6881 |
| 10 | Platte County | 6651 |
| 11 | Gage County | 5591 |
| 12 | Adams County | 5533 |
| 13 | Cass County | 5208 |
| 14 | Dawson County | 4811 |
| 15 | Saunders County | 4546 |
| 16 | Dakota County | 4336 |
| 17 | Washington County | 3840 |
| 18 | Otoe County | 3635 |
| 19 | Seward County | 3154 |
| 20 | York County | 2776 |
| 21 | Saline County | 2472 |
| 22 | Box Butte County | 2404 |
| 23 | Custer County | 2380 |
| 24 | Red Willow County | 2278 |
| 25 | Richardson County | 2261 |
| 26 | Cheyenne County | 2232 |
| 27 | Butler County | 2116 |
| 28 | Cuming County | 2114 |
| 29 | Cedar County | 2099 |
| 30 | Holt County | 2093 |
| 31 | Knox County | 2057 |
| 32 | Merrick County | 2036 |
| 33 | Jefferson County | 2010 |
| 34 | Colfax County | 1938 |
| 35 | Hamilton County | 1778 |
| 36 | Howard County | 1777 |
| 37 | Keith County | 1749 |
| 38 | Phelps County | 1744 |
| 39 | Johnson County | 1710 |
| 40 | Burt County | 1707 |
| 41 | Pierce County | 1672 |
| 42 | Wayne County | 1578 |
| 43 | Antelope County | 1543 |
| 44 | Boone County | 1507 |
| 45 | Clay County | 1487 |
| 46 | Fillmore County | 1454 |
| 47 | Nemaha County | 1317 |
| 48 | Polk County | 1316 |
| 49 | Kearney County | 1286 |
| 50 | Thurston County | 1266 |
| 51 | Dixon County | 1231 |
| 52 | Cherry County | 1223 |
| 53 | Stanton County | 1216 |
| 54 | Sheridan County | 1170 |
| 55 | Thayer County | 1164 |
| 56 | Morrill County | 1075 |
| 57 | Dawes County | 1055 |
| 58 | Furnas County | 1026 |
| 59 | Nuckolls County | 983 |
| 60 | Kimball County | 982 |
| 61 | Valley County | 859 |
| 62 | Nance County | 792 |
| 63 | Webster County | 789 |
| 64 | Franklin County | 786 |
| 65 | Sherman County | 762 |
| 66 | Brown County | 755 |
| 67 | Pawnee County | 714 |
| 68 | Chase County | 674 |
| 69 | Harlan County | 606 |
| 70 | Boyd County | 592 |
| 71 | Hitchcock County | 567 |
| 72 | Greeley County | 557 |
| 73 | Frontier County | 476 |
| 74 | Perkins County | 472 |
| 75 | Garden County | 428 |
| 76 | Deuel County | 405 |
| 77 | Gosper County | 366 |
| 78 | Garfield County | 346 |
| 79 | Dundy County | 297 |
| 80 | Rock County | 285 |
| 81 | Sioux County | 194 |
| 82 | Hayes County | 192 |
| 83 | Keya Paha County | 187 |
| 84 | Hooker County | 181 |
| 84 | Loup County | 181 |
| 85 | Wheeler County | 155 |
| 86 | Logan County | 139 |
| 87 | Grant County | 137 |
| 88 | McPherson County | 107 |
| 89 | Thomas County | 106 |
| 90 | Blaine County | 105 |
| 91 | Banner County | 84 |
| 92 | Arthur County | 77 |