| | Total Population Ages 25 and Over, 2005-2009 | Persons with High School Diploma or More, 2005-2009 | Persons with Bachelor's Degree or More, 2005-2009 | Percent Completed High School Diploma or More, 2005-2009 | Percent Completed Bachelor's Degree or More, 2005-2009 | High School Completion, Percent of U.S. Average, 2005-2009 | College Completion, Percent of U.S. Average, 2005-2009 |
|
| United States | 197,440,772 | 166,995,595 | 54,365,177 | 84.6% | 27.5% | 100.0% | 100.0% |
| Appalachian Region | 16,656,836 | 13,701,141 | 3,396,708 | 82.3% | 20.4% | 97.3% | 74.1% |
| Maryland | 3,738,604 | 3,271,883 | 1,314,845 | 87.5% | 35.2% | 103.5% | 127.7% |
| Appalachian Maryland | 167,987 | 140,576 | 29,003 | 83.7% | 17.3% | 98.9% | 62.7% |
|
| County |
| Allegany | 48,681 | 41,475 | 7,376 | 85.2% | 15.2% | 100.7% | 55.0% |
| Garrett | 20,587 | 17,342 | 3,570 | 84.2% | 17.3% | 99.6% | 63.0% |
| Washington | 98,719 | 81,759 | 18,057 | 82.8% | 18.3% | 97.9% | 66.4% |
