Elwood, IN -- U.S. city in Indiana Population (2000): 9737 Housing Units (2000): 4179 Land area (2000): 3.549572 sq. miles (9.193349 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.549572 sq. miles (9.193349 sq. km) FIPS code: 21070 Located within: Indiana (IN), FIPS 18 Location: 40.274109 N, 85.838047 W ZIP Codes (1990): 46036 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Elwood, IN Elwood