Northumberland County, Virginia

37°52′N 76°23′W / 37.86°N 76.38°W / 37.86; -76.38

Northumberland County
County
Northumberland County Courthouse in Heathsville
Seal
Location within the U.S. state of Virginia
Virginia's location within the U.S.
Coordinates: 37°52′N 76°23′W / 37.86°N 76.38°W / 37.86; -76.38
Country	United States
State	Virginia
Founded	1648
Seat	Heathsville
Largest community	Heathsville
Area
• Total	286 sq mi (740 km2)
• Land	191 sq mi (490 km2)
• Water	94 sq mi (240 km2)  33.0%
Population  (2020)
• Total	11,839
• Density	41/sq mi (16/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional district	1st
Website	www.co.northumberland.va.us

Northumberland County is a county located in the Commonwealth of Virginia. At the 2020 census, the population was 11,839.^[1] Its county seat is Heathsville.^[2] The county is located on the Northern Neck and is part of the Northern Neck George Washington Birthplace AVA winemaking appellation.