'Williamstown, PA' definitions:

Williamstown, PA -- U.S. borough in Pennsylvania

From: Gazetteer 2000
Name :
Williamstown, PA -- U.S. borough in Pennsylvania
Population (2000) :
1433
Housing Units (2000) :
716
Land area (2000) :
0.251750 sq. miles (0.652029 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.251750 sq. miles (0.652029 sq. km)
FIPS code :
85320
Located within :
Pennsylvania (PA), FIPS 42
Location :
40.581075 N, 76.618296 W
ZIP Codes (1990) :
17098
Note :
some ZIP codes may be omitted esp. for suburbs.