Newark, MO -- U.S. village in Missouri Population (2000): 100 Housing Units (2000): 65 Land area (2000): 0.323808 sq. miles (0.838659 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.323808 sq. miles (0.838659 sq. km) FIPS code: 51662 Located within: Missouri (MO), FIPS 29 Location: 39.993376 N, 91.973265 W ZIP Codes (1990): 63458 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Newark, MO Newark