Davison -- U.S. County in South Dakota Population (2000): 18741 Housing Units (2000): 8093 Land area (2000): 435.440498 sq. miles (1127.785664 sq. km) Water area (2000): 1.338042 sq. miles (3.465512 sq. km) Total area (2000): 436.778540 sq. miles (1131.251176 sq. km) Located within: South Dakota (SD), FIPS 46 Location: 43.690828 N, 98.076614 W Headwords: Davison Davison, SD Davison County Davison County, SD