Onley, VA -- U.S. town in Virginia Population (2000): 496 Housing Units (2000): 271 Land area (2000): 0.815974 sq. miles (2.113362 sq. km) Water area (2000): 0.008007 sq. miles (0.020738 sq. km) Total area (2000): 0.823981 sq. miles (2.134100 sq. km) FIPS code: 59384 Located within: Virginia (VA), FIPS 51 Location: 37.690352 N, 75.716759 W ZIP Codes (1990): 23418 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Onley, VA Onley