Walkersville is a town in Frederick County, Maryland, United States. The population was 5,800 at the2010 census. Crum Road Bridge was listed on the National Register of Historic Places in 1978. The Woodsboro and Frederick Turnpike Company Tollhouse was listed in 1979 and Harris Farm in 1994. Walkersville is located at 39°29′5″N 77°20′56″W (39.484846, -77.348943). According to the United States Census Bureau, the town has a total area of 4.36 square miles (11.29 km2), of which, 4.35 square miles (11.27 km2) is land and 0.01 square miles (0.03 km2) is water.