2020 U.S. Census Data
Frederick County U.S. Decennial Census total population for April 1, 2020, was 271,717.
Population estimates are produced for years between decennial censuses and updated annually, with the most recent decennial census used as the base. Frederick County’s estimated July 1, 2021 population was 279,835 residents.
The Maryland State Data Center provided The U.S. Census Bureau 2020 Demographic and Housing Characteristics in May of 2023. The data is available at the County level and for each Municipality (Incorporated) and Census Designated Place (CDP). Each profile shows five-year age cohorts by sex, major race breakdowns, households and household relationships, housing units, occupancy, and tenure. The population pyramid is a graphical representation of five-year age cohorts by sex.
QuickFacts provides basic count of population for areas with more than 5,000 people; includes April 1, 2020 population.
2010 Census Profile
County, municipalities, census designated places
2010 U.S. Census Data
The following data are total April 1, 2010 population by U.S. Census Bureau for the areas below.
Other Small Areas
|Point of Rocks||1,466|
* Mt. Airy is representative only by its Frederick County portion.