Kirklin, IN -- U.S. town in Indiana Population (2000): 766 Housing Units (2000): 321 Land area (2000): 0.323048 sq. miles (0.836690 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.323048 sq. miles (0.836690 sq. km) FIPS code: 39942 Located within: Indiana (IN), FIPS 18 Location: 40.193940 N, 86.360092 W ZIP Codes (1990): 46050 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Kirklin, IN Kirklin