Prince George's County is south of Montgomery County and very near Washington, D.C. It had a population of 881,138 in 2012.
Baltimore County, with a population of 817,455, is located in the north central area of the state, while Anne Arundel County, with a population of 550,488, is found in the center of the state on Chesapeake Bay. Baltimore City, which broke away from Baltimore County in 1851, is found in the eastern central part of the state, also on Chesapeake Bay. Its population as of 2012 was 621,342.
Howard County, with a population of 299,430, is also found in the center of the state, directly north of Prince George's County. Harford County's population was 248,622 and is found to the north of the state on the border of Pennsylvania. Frederick County is found in the north central area of the state. It borders Pennsylvania to the north and shares part of its southern boundary with West Virginia.
Charles County is found in the southern part of the state. It is south of Washington, D.C., and its western border lies on the Potomac River. In 2012, its population was 150,592.Learn more about The South