'Dewey County, SD' definitions:

Dewey -- U.S. County in South Dakota

From: Gazetteer 2000
Name :
Dewey -- U.S. County in South Dakota
Population (2000) :
5972
Housing Units (2000) :
2133
Land area (2000) :
2302.643442 sq. miles (5963.818882 sq. km)
Water area (2000) :
143.028378 sq. miles (370.441783 sq. km)
Total area (2000) :
2445.671820 sq. miles (6334.260665 sq. km)
Located within :
South Dakota (SD), FIPS 46
Location :
45.213613 N, 101.003656 W