'Mason County, WA' definitions:
Mason -- U.S. County in Washington
From: Gazetteer 2000
Name :
Mason -- U.S. County in Washington
Population (2000) :
49405
Housing Units (2000) :
25515
Land area (2000) :
961.056692 sq. miles (2489.125299 sq. km)
Water area (2000) :
89.974643 sq. miles (233.033245 sq. km)
Total area (2000) :
1051.031335 sq. miles (2722.158544 sq. km)
Located within :
Washington (WA), FIPS 53
Location :
47.313345 N, 123.104320 W