'West Hills' definitions:

West Hills, NY -- U.S. Census Designated Place in New York

From: Gazetteer 2000
Name :
West Hills, NY -- U.S. Census Designated Place in New York
Population (2000) :
5607
Housing Units (2000) :
2008
Land area (2000) :
4.954387 sq. miles (12.831802 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
4.954387 sq. miles (12.831802 sq. km)
FIPS code :
80258
Located within :
New York (NY), FIPS 36
Location :
40.824098 N, 73.434381 W
Note :
some ZIP codes may be omitted esp. for suburbs.

West Hills, PA -- U.S. Census Designated Place in Pennsylvania

From: Gazetteer 2000
Name :
West Hills, PA -- U.S. Census Designated Place in Pennsylvania
Population (2000) :
1229
Housing Units (2000) :
517
Land area (2000) :
3.305387 sq. miles (8.560912 sq. km)
Water area (2000) :
0.209919 sq. miles (0.543688 sq. km)
Total area (2000) :
3.515306 sq. miles (9.104600 sq. km)
FIPS code :
83172
Located within :
Pennsylvania (PA), FIPS 42
Location :
40.824475 N, 79.542873 W
Note :
some ZIP codes may be omitted esp. for suburbs.