Frederick County

Also known as Frederick County, Maryland, Frederick County, MD

county in Maryland, United States

Key facts

Country: United States
State: Maryland
Founded: June 10, 1748
Founded by: Daniel Dulany the Elder
Named after: Frederick Calvert, 6th Baron Baltimore
County seat: Frederick
County executive: Jessica Fitzwater
County council: Renee Knapp ( D ), Brad Young ( D ), Jerry Donald ( D ), Steven McKay ( R ), M. C. Keegan-Ayer ( D ), Kavonte Duckett ( D ), Mason Carter ( R )
Total: 667 sq mi (1,730 km )
Land: 660 sq mi (1,700 km )
Water: 7.2 sq mi (19 km )
Estimate 2025: 302,883
Density: 410/sq mi (160/km )
Demonym: Fredneck
Time zone: Eastern (EST)
Summer dst: EDT
Zip codes: 21701, 21702, 21703, 21704, 21705, 21709
Area codes: 301, 240

via Wikipedia infobox

Wikidata facts

Population: 271717
Area: 1728
Elevation: 269
Official website: FrederickCountyMD.gov
Image: Frederick city.jpg
Households: 94299
Dialing code: 240

Show 6 more facts

Commons category: Frederick County, Maryland
inception: 1748-00-00
native label: Frederick County
postal code: 21703
per capita income: 44273
social media followers: 21027

Sources (9)

via Wikidata · CC0

~14 min read

Article

Frederick County is located in Maryland, United States. As of the 2020 U.S. census, the population was 271,717. The county seat is Frederick. The county is part of the Capital region of the state.

Like other outlying sections of the Washington metropolitan area, Frederick County has experienced a rapid population increase since the 1980s. It borders the southern border of Pennsylvania and the northeastern border of Virginia.