Tecumseh, OK -- U.S. city in Oklahoma Population (2000): 6098 Housing Units (2000): 2565 Land area (2000): 15.039392 sq. miles (38.951844 sq. km) Water area (2000): 0.235087 sq. miles (0.608872 sq. km) Total area (2000): 15.274479 sq. miles (39.560716 sq. km) FIPS code: 72650 Located within: Oklahoma (OK), FIPS 40 Location: 35.262346 N, 96.934830 W ZIP Codes (1990): 74873 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Tecumseh, OK Tecumseh