| Population, April 1, 2000 | Population, April 1, 2010 | Numeric Population Change, 2000 to 2010 | Percent Population Change, 2000 to 2010 | Land Area (square miles), 2010 | Persons Per Square Mile, 2010 |
|
United States | 281,421,906 | 308,745,538 | 27,323,632 | 9.7% | 3,531,905.4 | 87.4 |
Appalachian Region | 23,642,578 | 25,243,456 | 1,600,878 | 6.8% | 204,452.1 | 123.5 |
Maryland | 5,296,486 | 5,773,552 | 477,066 | 9.0% | 9,707.2 | 594.8 |
Appalachian Maryland | 236,699 | 252,614 | 15,915 | 6.7% | 1,529.0 | 165.2 |
|
County |
Allegany | 74,930 | 75,087 | 157 | 0.2% | 424.2 | 177.0 |
Garrett | 29,846 | 30,097 | 251 | 0.8% | 647.1 | 46.5 |
Washington | 131,923 | 147,430 | 15,507 | 11.8% | 457.8 | 322.1 |