Parkville is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. As of the 2010 census, the population was 30,734. Parkville is located at 39°22′59″N 76°33′0″W (39.383039, −76.550065).According to the United States Census Bureau, the CDP has a total area of 4.2 square miles (11 km2), all of it land. The northern border of the CDP is Interstate 695 (the Baltimore Beltway) from Loch Raven Boulevard to Putty Hill Avenue. The eastern border is formed by portions of Putty Hill Avenue, Wendell Avenue, Hiss Avenue, and Glen Road, the southern border is the Baltimore City/Baltimore County line from near Glen Road to Loch Raven Boulevard, and the western boundary is Loch Raven Boulevard from the city line to I-695.