Delta -- U.S. County in Colorado Population (2000): 27834 Housing Units (2000): 12374 Land area (2000): 1142.106394 sq. miles (2958.041854 sq. km) Water area (2000): 6.416581 sq. miles (16.618868 sq. km) Total area (2000): 1148.522975 sq. miles (2974.660722 sq. km) Located within: Colorado (CO), FIPS 08 Location: 38.814325 N, 107.911736 W Headwords: Delta Delta, CO Delta County Delta County, CO