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
A History of the Adjutants General of Maryland the Maryland Army National Guard and Director of the Joint Staff. A History of the Adjutants General of Maryland The Adjutant General of Maryland is the head military official of the Maryland National Guard, the Maryland Defense Force, and any other military or paramilitary units that may be maintained by the State of Maryland. The adjutant general is responsible for the military department's budget and maintains all State-owned armories in Maryland. Maryland Governor Thomas Sim Lee provided for the office of an adjutant general of the State Militia in "an Act to regulate and discipline the militia of this State,"