Anne Arundel County, Maryland

Anne Arundel County
Anne Arundel County Courthouse in Annapolis
Anne Arundel County Courthouse in Annapolis
Flag of Anne Arundel County
Official seal of Anne Arundel County
Map of Maryland highlighting Anne Arundel County
Location within the U.S. state of Maryland
Map of the United States highlighting Maryland
Maryland's location within the U.S.
Coordinates: 39°00′N 76°36′W / 39°N 76.6°W / 39; -76.6
Country United States
State Maryland
FoundedApril 9, 1650
Named forAnne Arundell
SeatAnnapolis
Largest communityGlen Burnie
Government
 • County ExecutiveSteuart Pittman
Area
 • Total588 sq mi (1,520 km2)
 • Land415 sq mi (1,070 km2)
 • Water173 sq mi (450 km2)  29%
Population
 (2020)
 • Total588,261
 • Density1,000/sq mi (390/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts3rd, 5th
Websitewww.aacounty.org
Map
County boundary

Anne Arundel County (listen; /əˈrʌndəl/), also notated as AA or A.A. County, is located in the U.S. state of Maryland. As of the 2020 United States census, its population was 588,261,[1] an increase of just under 10% since 2010. Its county seat is Annapolis,[2] which is also the capital of the state. The county is named for Anne Arundell (c. 1615/1616–1649), Lady Baltimore, a member of the ancient family of Arundells in Cornwall, England, and the wife of Cecilius Calvert, 2nd Baron Baltimore (1605–1675), founder and first lord proprietor of the colony Province of Maryland. The county is part of the Central Maryland region of the state.

Anne Arundel County is included in the Washington–Baltimore–Arlington combined statistical area.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved August 16, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.