'Davis County, IA' definitions:

Davis -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Davis -- U.S. County in Iowa
Population (2000) :
8541
Housing Units (2000) :
3530
Land area (2000) :
503.239640 sq. miles (1303.384628 sq. km)
Water area (2000) :
1.647534 sq. miles (4.267092 sq. km)
Total area (2000) :
504.887174 sq. miles (1307.651720 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
40.745794 N, 92.421763 W