Ranking of US States By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 2, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the US population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26.49%. Among all US states and DC, West Virginia had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (40.08%), followed by Arkansas (34.07%), and Pennsylvania (33.80%).
The chart below shows the top 10 states, and the table below shows the ranking of all states and DC.
You can see similar information for other educational attainments.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of US States By Percentage of Population (Aged 25yrs+)
with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | State | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | West Virginia | 40.08 |
| 2 | Arkansas | 34.07 |
| 3 | Pennsylvania | 33.80 |
| 4 | Louisiana | 33.07 |
| 5 | Indiana | 33.01 |
| 6 | Kentucky | 32.77 |
| 7 | Ohio | 32.65 |
| 8 | Tennessee | 31.56 |
| 9 | Maine | 30.90 |
| 10 | Oklahoma | 30.82 |
| 11 | Iowa | 30.61 |
| 12 | Alabama | 30.50 |
| 13 | Missouri | 30.48 |
| 14 | Delaware | 30.40 |
| 15 | South Dakota | 30.12 |
| 16 | Wisconsin | 30.04 |
| 17 | Mississippi | 29.80 |
| 18 | South Carolina | 28.74 |
| 19 | Michigan | 28.47 |
| 20 | Alaska | 28.46 |
| 21 | Wyoming | 28.44 |
| 22 | Vermont | 27.97 |
| 23 | Florida | 27.90 |
| 24 | Rhode Island | 27.88 |
| 25 | Montana | 27.80 |
| 26 | Nevada | 27.76 |
| 27 | New Hampshire | 27.31 |
| 28 | Georgia | 27.21 |
| 29 | Hawaii | 26.85 |
| 30 | Idaho | 26.54 |
| 31 | New Jersey | 26.41 |
| 32 | Connecticut | 26.12 |
| 33 | North Dakota | 26.08 |
| 34 | New Mexico | 26.03 |
| 35 | Kansas | 25.67 |
| 36 | Nebraska | 25.59 |
| 37 | Illinois | 25.40 |
| 38 | New York | 25.24 |
| 39 | North Carolina | 25.23 |
| 40 | Texas | 24.51 |
| 41 | Maryland | 23.92 |
| 42 | Minnesota | 23.89 |
| 43 | Virginia | 23.84 |
| 44 | Arizona | 23.49 |
| 45 | Massachusetts | 23.19 |
| 46 | Utah | 22.67 |
| 47 | Oregon | 22.48 |
| 48 | Washington | 21.79 |
| 49 | Colorado | 20.60 |
| 50 | California | 20.44 |
| 51 | District of Columbia | 15.49 |