Potomac is a census-designated place (CDP) in Montgomery County, Maryland. It is named after the nearby Potomac River. Potomac is the seventh most educated small town in America, based on percentage of residents with postsecondary degrees.
Geography
Potomac’s geographical focal point is Potomac Village, a small cluster of shops and businesses at the intersection of Maryland State Highway 189 (Falls Road) and Maryland State Highway 190 (River Road) northwest of Washington, D.C. According to the U.S. Census Bureau, Potomac has a total area of 26.6 square miles (69 km2), of which 25.2 square miles (65 km2) of it is land and 1.4 square miles (3.6 km2) of it (5.20%) is water. It includes the ZIP Code 20854 for properties and 20859 for US Post Office Boxes.
Demographics
As of the 2010 census, there were 44,965 people living in Potomac, including 16,093 households. The population density was 1,790 inhabitants per square mile (690/km2). There were 16,642 housing units at an average density of 633.9 per square mile (244.8/km2). A 2017 ACS 5-Year Population Estimate cited 45,780 people living in Potomac.