Douglas, WY -- U.S. city in Wyoming Population (2000): 5288 Housing Units (2000): 2385 Land area (2000): 5.109350 sq. miles (13.233154 sq. km) Water area (2000): 0.141405 sq. miles (0.366236 sq. km) Total area (2000): 5.250755 sq. miles (13.599390 sq. km) FIPS code: 21125 Located within: Wyoming (WY), FIPS 56 Location: 42.756008 N, 105.384555 W ZIP Codes (1990): 82633 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Douglas, WY Douglas