Jonesboro, IN -- U.S. city in Indiana Population (2000): 1887 Housing Units (2000): 817 Land area (2000): 0.849320 sq. miles (2.199729 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.849320 sq. miles (2.199729 sq. km) FIPS code: 38862 Located within: Indiana (IN), FIPS 18 Location: 40.479340 N, 85.629847 W ZIP Codes (1990): 46938 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Jonesboro, IN Jonesboro