'Washington County, IN' definitions:

Washington -- U.S. County in Indiana

From: Gazetteer 2000
Name :
Washington -- U.S. County in Indiana
Population (2000) :
27223
Housing Units (2000) :
11191
Land area (2000) :
514.415808 sq. miles (1332.330769 sq. km)
Water area (2000) :
2.115853 sq. miles (5.480035 sq. km)
Total area (2000) :
516.531661 sq. miles (1337.810804 sq. km)
Located within :
Indiana (IN), FIPS 18
Location :
38.589628 N, 86.096807 W