Carroll County, Maryland

Carroll County
Carroll County Courthouse in Westminster
Carroll County Courthouse in Westminster
Flag of Carroll County
Official seal of Carroll County
Map of Maryland highlighting Carroll County
Location within the U.S. state of Maryland
Map of the United States highlighting Maryland
Maryland's location within the U.S.
Coordinates: 39°34′N 77°01′W / 39.57°N 77.02°W / 39.57; -77.02
Country United States
State Maryland
FoundedJanuary 19, 1837
Named forCharles Carroll of Carrollton
SeatWestminster
Largest communityEldersburg
Area
 • Total453 sq mi (1,170 km2)
 • Land448 sq mi (1,160 km2)
 • Water5.1 sq mi (13 km2)  1.1%
Population
 (2020)
 • Total172,891
 • Estimate 
(2023)
176,639 Increase
 • Density380/sq mi (150/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts2nd, 3rd
Websitecarrollcountymd.gov

Carroll County is a county located in the U.S. state of Maryland. As of the 2020 census, the population was 172,891.[1] Its county seat is Westminster.[2] The county is part of the Central Maryland region of the state. Carroll County is included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area. While predominantly rural, the county has become increasingly suburban in recent years.

  1. ^ "Carroll County, Maryland". United States Census Bureau. Retrieved January 30, 2022.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.