Frederick County, Maryland Frederick County, Maryland Frederick County is located in the northern part of the U.S. state of Maryland. As of the 2010 U.S. Census, the population was 240,336. The county seat is Frederick. Frederick County is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area. Like other outlying sections of the Washington metropolitan area, Frederick County has experienced a rapid population increase in recent years. It borders the southern border of Pennsylvania and the northeastern border of Virginia. The county is home to Catoctin Mountain Park (encompassing the presidential retreat Camp David) and to the U.S. Army's Fort Detrick. It has also
Talbot County, Maryland Talbot County, Maryland Talbot County is a county located in the heart of the Eastern Shore of Maryland in the U.S. state of Maryland. As of the 2010 census, the population was 37,782. Its county seat is Easton. The county was named for Lady Grace Talbot, the wife of Sir Robert Talbot, an Anglo-Irish statesman, and the sister of Lord Baltimore. Talbot County comprises the Easton, MD Micropolitan Statistical Area, which is also included in the Washington–Baltimore–Arlington, DC–MD–VA–WV–PA Combined Statistical Area. Talbot County is bordered by Queen Anne's County to the north, Caroline County to the east, Dorchester County to