Anne Arundel County, Maryland
Anne Arundel County (ⓘ; /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, an increase of just under 10% since 2010. Its county seat is Annapolis, 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.
Anne Arundel County | |
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Anne Arundel County Courthouse in Annapolis | |
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Flag Seal | |
Location within the U.S. state of Maryland | |
Maryland's location within the U.S. | |
| Coordinates: 39°00′N 76°36′W | |
| Country | United States |
| State | Maryland |
| Founded | April 9, 1650 |
| Named for | Anne Arundell |
| Seat | Annapolis |
| Largest community | Glen Burnie |
| Government | |
| • County Executive | Steuart Pittman |
| Area | |
| • Total | 588 sq mi (1,520 km2) |
| • Land | 415 sq mi (1,070 km2) |
| • Water | 173 sq mi (450 km2) 29% |
| Population (2020) | |
| • Total | 588,261 |
| • Density | 1,000/sq mi (390/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 3rd, 5th |
| Website | www |
Anne Arundel County is included in the Baltimore–Columbia–Towson metropolitan statistical area, which is also included in the Washington–Baltimore–Arlington combined statistical area.