Carroll County, Maryland
Carroll County is located in the U.S. state of Maryland. As of the 2020 United States census, the population was 172,891. Its county seat is Westminster. 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, southern areas of the county have become increasingly suburban in recent years.