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.
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.
Fort Meade is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. The population was 9,327 at the 2010 census. It is the home to the National Security Agency, Central Security Service, United States Cyber Command and the Defense Information Systems Agency, which are located on the U.S. Army post Fort George G. Meade.
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.
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.
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.
Elkridge is an unincorporated community and census-designated place (CDP) in Howard County, Maryland, United States. The population was 15,593 at the 2010 census. Founded early in the 18th century, Elkridge is adjacent to two other counties, Anne Arundel and Baltimore.
Gambrills refers to two neighboring places in Anne Arundel County, Maryland, United States, located in the Annapolis metro area: the unincorporated community of Gambrills, and the Gambrills census-designated place (CDP). The area was named after Augustine Gambrill, plantation owner. The CDP covers an expansive range that falls within the communities of Crofton, Waugh Chapel, and Odenton. It also borders Davidsonville, Crownsville, Millersville, and Prince George's County, Maryland. In 2022, the population of the CDP was 2,837. The median-income of residents was $140,238. Gambrills is served by routes 3, 32 and MARC, the Maryland commuter rail service. There is a MARC station in the neighboring town of Odenton.
Anne Arundel County Public Schools is the public school district serving Anne Arundel County, Maryland. With over 80,000 students, the AACPS school system is the 4th largest in Maryland and the 39th largest in the United States. The district has over 5,000 teachers supporting a comprehensive curriculum from Pre-K through 12th grade.
The South River is a 10-mile-long (16 km) tributary of the Chesapeake Bay in Anne Arundel County, Maryland in the United States. It lies south of the Severn River, east of the Patuxent River, and north of the West River and Rhode River, and drains to the Chesapeake Bay.
Davidsonville is an unincorporated community in central Anne Arundel County, Maryland, United States. It is a semi-rural community composed mostly of farms and suburban-like developments and is a good example of an "exurb." Davidsonville has relatively little commercial development and no high-density housing. The community is generally not served by public water, sewer or natural gas utilities, so homes generally employ well-and-septic systems. The nominal, if not geographic, center of Davidsonville is the intersection of Maryland routes 424 and 214, located at 38.9229°N 76.6284°W. The Davidsonville Historic District was listed on the National Register of Historic Places in 1992.
Maryland Route 214 is a state highway in the U.S. state of Maryland. Known for most of its length as Central Avenue, the highway runs 24.97 miles (40.19 km) from Southern Avenue and East Capitol Street at the District of Columbia boundary in Capitol Heights east to Beverley Beach. MD 214 connects the central Prince George's County suburbs of Capitol Heights, Seat Pleasant, Largo, and Bowie with the southern Anne Arundel County communities of Davidsonville and Edgewater and several beach villages along the Chesapeake Bay. The highway connects Interstate 95 (I-95)/I-495 to FedExField, Six Flags America, and several stations of the Washington Metro's Blue and Silver lines, which the route parallels between Capitol Heights and Largo.
Maryland Route 253 is a state highway in the U.S. state of Maryland. Known as Mayo Road, the route runs 1.34 miles (2.16 km) from MD 214 north to MD 2 within Edgewater. MD 253 was constructed in Edgewater in the early 1910s and early 1920s. The highway was extended southeast through Mayo to Beverley Beach in the late 1920s and early 1930s. The part of MD 253 southeast of Edgewater became part of MD 214 in 1950.
St. Margaret's is a suburb of Annapolis in Anne Arundel County, Maryland, United States on the scenic Broadneck Peninsula. The ZIP code is 21409.
United States
Maryland 
Anne Arundel 
