Anne Arundel County, 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, 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.
Arnold, a census-designated place (CDP) in Anne Arundel County, Maryland, United States, located just outside of the state's capital, Annapolis. It is located 18.78 miles south of Baltimore, and 29.97 miles east of Washington, D.C. The population was 23,106 at the 2010 census. Neighborhoods straddle College Parkway and Maryland Route 2. Arnold is located on the scenic Broadneck Peninsula. The ZIP code is 21012. It is bordered by Severna Park to the northwest, Cape Saint Claire to the southeast, Annapolis to the southwest, and Lake Shore to the northeast.
Brooklyn Park is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 14,373 at the 2010 census.
Cape St. Claire, a suburb of Annapolis, is a covenanted, unincorporated community as well as a census-designated place (CDP) in Anne Arundel County, Maryland, United States. While the community of Cape St. Claire lies entirely within the CDP and accounts for approximately 80% of the homes and residents, the CDP also includes the smaller communities of Atlantis, Walnut Ridge, Green Holly, and St. Claire Court. The population of the CDP was 8,747 at the 2010 census.
Deale is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 4,945 at the 2010 census. It has a scenic view of Chesapeake Bay and is popular with boaters. Sudley was listed on the National Register of Historic Places in 1973.
Glen Burnie is an unincorporated town and census-designated place (CDP) in Anne Arundel County, Maryland, United States. It is a suburb of Baltimore. The population was 72,891 at the 2020 census.
Lake Shore is a census-designated place and unincorporated community in Anne Arundel County, Maryland, United States, located east of Pasadena. The population of Lake Shore was 19,477 at the 2010 census.
Linthicum is a census-designated place (CDP) and unincorporated community in Anne Arundel County, Maryland, United States. The population was 10,324 at the 2010 census. It is located directly north of Baltimore–Washington International Thurgood Marshall Airport (BWI).
Mayo is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 8,298 at the 2010 census. The Mayo CDP of 2010 includes all of the area that used to be counted as the Selby-on-the-Bay CDP. The beach in Mayo used to be a popular weekend resort.
Odenton is a census-designated place (CDP) in Anne Arundel County, Maryland, United States, located approximately 10–20 minutes from the state capital, Annapolis. The population was 37,132 at the 2010 census, up from 20,534 at the 2000 census. The town's population growth rate of 80.8% between 2000 and 2010 was the greatest of any town in western Anne Arundel County. Odenton is located west of Annapolis, south of Baltimore, and northeast of Washington.
Parole, a suburb of Annapolis, is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 15,922 at the 2010 census. It has several major roads intersect at the western edge of the state capital, Annapolis, and it contains the Annapolis Mall, a number of other large shopping centers, and the Anne Arundel Medical Center. It is generally considered to be part of Annapolis, rather than a separate town. The neighborhood was named because it was a parole camp, where Union and Confederate prisoners of war were brought for mutual exchange and eventual return to their respective homes.
Pasadena is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 24,287 at the 2010 census.
Pumphrey is an unincorporated community and former census-designated place (CDP) in Anne Arundel County, Maryland, United States. At the 2000 census, the population was 5,317. It was split between the Linthicum and Brooklyn Park CDPs for the 2010 census.
Riva is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 4,076 at the 2010 census. The area is scenic, especially where the two-lane Riva Road crosses the South River on a bridge. The area is growing with large new homes as the suburbs of Annapolis grow outward. Riva is bordered by Annapolis to the north, Edgewater to the east, and Davidsonville to the west.
Severn is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. According to the 2020 U.S. census, the population of Severn is 57,118, a 22.6% increase from 44,231 in 2010. The zip code is 21144.
Shady Side is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 5,803 at the 2010 census.
Owings is a town center and census-designated place (CDP) in northern Calvert County, Maryland, United States. The population was 2,149 at the 2010 census, up from 1,325 in 2000.
Baltimore Highlands is a census-designated place (CDP) in Baltimore County, Maryland, United States, directly south of the city of Baltimore. The population was 7,019 at the 2010 census. At the 2000 census and earlier, the area was delineated as part of the Lansdowne-Baltimore Highlands CDP.
Queen Anne in Prince George's County, Maryland, United States, is a former port on the Patuxent River. It was delineated as a CDP for the 2010 census, at which time it had a population of 1,280. Per the 2020 census, the population was 1,405.
Edgewater is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 9,023 at the 2010 census.
United States
Maryland 
Anne Arundel 
