Sheridan, CO -- U.S. city in Colorado Population (2000): 5600 Housing Units (2000): 2395 Land area (2000): 2.201786 sq. miles (5.702599 sq. km) Water area (2000): 0.037218 sq. miles (0.096394 sq. km) Total area (2000): 2.239004 sq. miles (5.798993 sq. km) FIPS code: 69645 Located within: Colorado (CO), FIPS 08 Location: 39.648920 N, 105.017681 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sheridan, CO Sheridan