| | Total Population Ages 25 and Over, 2015-2019 | Persons with High School Diploma or More, 2015-2019 | Persons with Bachelor's Degree or More, 2015-2019 | Percent Completed High School Diploma or More, 2015-2019 | Percent Completed Bachelor's Degree or More, 2015-2019 | High School Completion, Percent of U.S. Average, 2015-2019 | College Completion, Percent of U.S. Average, 2015-2019 |
|
| United States | 220,622,076 | 194,149,815 | 70,920,162 | 88.0% | 32.1% | 100.0% | 100.0% |
| Appalachian Region | 17,769,645 | 15,498,054 | 4,395,961 | 87.2% | 24.7% | 99.1% | 77.0% |
| Maryland | 4,139,008 | 3,733,545 | 1,662,724 | 90.2% | 40.2% | 102.5% | 125.0% |
| Appalachian Maryland | 176,472 | 155,952 | 36,971 | 88.4% | 21.0% | 100.4% | 65.2% |
|
| County |
| Allegany | 49,921 | 45,032 | 9,428 | 90.2% | 18.9% | 102.5% | 58.8% |
| Garrett | 21,472 | 19,283 | 4,497 | 89.8% | 20.9% | 102.1% | 65.2% |
| Washington | 105,079 | 91,637 | 23,046 | 87.2% | 21.9% | 99.1% | 68.2% |
