| | Total Population Ages 25 and Over, 2014-2018 | Persons with High School Diploma or More, 2014-2018 | Persons with Bachelor's Degree or More, 2014-2018 | Percent Completed High School Diploma or More, 2014-2018 | Percent Completed Bachelor's Degree or More, 2014-2018 | High School Completion, Percent of U.S. Average, 2014-2018 | College Completion, Percent of U.S. Average, 2014-2018 |
|
| United States | 218,446,071 | 191,498,014 | 68,867,051 | 87.7% | 31.5% | 100.0% | 100.0% |
| Appalachian Region | 17,669,524 | 15,341,063 | 4,277,673 | 86.8% | 24.2% | 99.0% | 76.8% |
| Maryland | 4,114,858 | 3,705,101 | 1,630,565 | 90.0% | 39.6% | 102.7% | 125.7% |
| Appalachian Maryland | 176,033 | 154,977 | 35,864 | 88.0% | 20.4% | 100.4% | 64.6% |
|
| County |
| Allegany | 50,190 | 45,147 | 9,161 | 90.0% | 18.3% | 102.6% | 57.9% |
| Garrett | 21,372 | 19,082 | 4,294 | 89.3% | 20.1% | 101.8% | 63.7% |
| Washington | 104,471 | 90,748 | 22,409 | 86.9% | 21.4% | 99.1% | 68.0% |
