'Mason County, TX' definitions:

Mason -- U.S. County in Texas

From: Gazetteer 2000
Name :
Mason -- U.S. County in Texas
Population (2000) :
3738
Housing Units (2000) :
2372
Land area (2000) :
932.066402 sq. miles (2414.040796 sq. km)
Water area (2000) :
0.112912 sq. miles (0.292441 sq. km)
Total area (2000) :
932.179314 sq. miles (2414.333237 sq. km)
Located within :
Texas (TX), FIPS 48
Location :
30.750115 N, 99.213226 W