Prince George's County (often shortened to PG County) is a county located in the U.S. state of Maryland bordering the eastern portion of Washington, D.C. As of the 2020 U.S. census, the population was 967,201, making it the second-most populous county in Maryland, behind Montgomery County. The 2020 census counted an increase of nearly 104,000 in the previous ten years. Its county seat is Upper Marlboro. It is the largest and the second most affluent African American-majority county in the United States, with five of its communities identified in a 2015 top ten list.
Prince George's County is included in the Washington metropolitan area. The county also hosts many federal governmental facilities, such as Joint Base Andrews and the United States Census Bureau headquarters.
The official name of the county, as specified in the county's charter, is "Prince George's County, Maryland". The county is named after Prince George of Denmark (1653–1708), the consort of Anne, Queen of Great Britain, and the brother of King Christian V of Denmark and Norway. The county's demonym is Prince Georgian, and its motto is Semper Eadem ("Ever the Same"), a phrase used by Queen Anne. Prince George's County is frequently referred to as "PG" or "PG County", an abbreviation which is the subject of debate, some residents viewing it as a pejorative and others holding neutral feelings toward the term or even preferring the abbreviation over the full name.
