Great Falls, Virginia

Great Falls, Virginia
Location of Great Falls in Fairfax County, Virginia
Boundaries of the Great Falls CDP as of 2003
Great Falls, Virginia
Great Falls, Virginia
Great Falls, Virginia
Coordinates: 38°59′53″N 77°17′18″W / 38.99806°N 77.28833°W / 38.99806; -77.28833
Country United States
State Virginia
County Fairfax
Area
  Total
25.66 sq mi (66.5 km2)
  Land25.42 sq mi (65.8 km2)
  Water0.24 sq mi (0.6 km2)
Elevation
344 ft (105 m)
Population
 (2020)
  Total
15,953
  Density627.6/sq mi (242.4/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
22066
Area code(s)703, 571
FIPS code51-32496
GNIS feature ID1467429

Great Falls is a census-designated place in Fairfax County, Virginia, United States. The population at the 2020 census was 15,953.