Central Garage is a census-designated place in King William County, Virginia, United States. The population as of the 2010 census was 1,318. The community is northwest of the center of King William County, around the junction of U.S. Route 360 and Virginia State Route 30. US 360 leads northeast 21 miles to Tappahannock and southwest 23 miles to Rich…Central Garage is a census-designated place in King William County, Virginia, United States. The population as of the 2010 census was 1,318. The community is northwest of the center of King William County, around the junction of U.S. Route 360 and Virginia State Route 30. US 360 leads northeast 21 miles to Tappahannock and southwest 23 miles to Richmond, the state capital. VA 30 leads southeast 7 miles to King William, the county seat, and northwest 21 miles to U.S. Route 1 in Doswell.