'Washington County, AR' definitions:

Washington -- U.S. County in Arkansas

From: Gazetteer 2000
Name :
Washington -- U.S. County in Arkansas
Population (2000) :
157715
Housing Units (2000) :
64330
Land area (2000) :
949.717241 sq. miles (2459.756258 sq. km)
Water area (2000) :
6.292250 sq. miles (16.296853 sq. km)
Total area (2000) :
956.009491 sq. miles (2476.053111 sq. km)
Located within :
Arkansas (AR), FIPS 05
Location :
36.051379 N, 94.198684 W