'Washington County, OK' definitions:

Washington -- U.S. County in Oklahoma

From: Gazetteer 2000
Name :
Washington -- U.S. County in Oklahoma
Population (2000) :
48996
Housing Units (2000) :
22250
Land area (2000) :
416.815911 sq. miles (1079.548207 sq. km)
Water area (2000) :
7.338957 sq. miles (19.007811 sq. km)
Total area (2000) :
424.154868 sq. miles (1098.556018 sq. km)
Located within :
Oklahoma (OK), FIPS 40
Location :
36.728513 N, 95.938140 W