Delta -- U.S. County in Michigan Population (2000): 38520 Housing Units (2000): 19223 Land area (2000): 1170.025159 sq. miles (3030.351121 sq. km) Water area (2000): 821.558454 sq. miles (2127.826538 sq. km) Total area (2000): 1991.583613 sq. miles (5158.177659 sq. km) Located within: Michigan (MI), FIPS 26 Location: 45.877369 N, 86.946619 W Headwords: Delta Delta, MI Delta County Delta County, MI