| | Total Population Ages 25 and Over, 2011-2015 | Persons with High School Diploma or More, 2011-2015 | Persons with Bachelor's Degree or More, 2011-2015 | Percent Completed High School Diploma or More, 2011-2015 | Percent Completed Bachelor's Degree or More, 2011-2015 | High School Completion, Percent of U.S. Average, 2011-2015 | College Completion, Percent of U.S. Average, 2011-2015 |
|
| United States | 211,462,522 | 183,233,428 | 62,952,272 | 86.7% | 29.8% | 100.0% | 100.0% |
| Appalachian Region | 17,406,203 | 14,880,953 | 3,933,571 | 85.5% | 22.6% | 98.7% | 75.9% |
| Maryland | 4,018,459 | 3,591,031 | 1,522,970 | 89.4% | 37.9% | 103.1% | 127.3% |
| Appalachian Maryland | 175,692 | 153,522 | 33,493 | 87.4% | 19.1% | 100.8% | 64.0% |
|
| County |
| Allegany | 51,103 | 45,148 | 8,903 | 88.3% | 17.4% | 102.0% | 58.5% |
| Garrett | 21,284 | 18,820 | 4,052 | 88.4% | 19.0% | 102.0% | 63.9% |
| Washington | 103,305 | 89,554 | 20,538 | 86.7% | 19.9% | 100.0% | 66.8% |
