'Rockbridge' definitions:

Rockbridge, IL -- U.S. village in Illinois

From: Gazetteer 2000
Name :
Rockbridge, IL -- U.S. village in Illinois
Population (2000) :
189
Housing Units (2000) :
89
Land area (2000) :
0.739066 sq. miles (1.914171 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.739066 sq. miles (1.914171 sq. km)
FIPS code :
64811
Located within :
Illinois (IL), FIPS 17
Location :
39.272262 N, 90.203540 W
ZIP Codes (1990) :
62081
Note :
some ZIP codes may be omitted esp. for suburbs.

Rockbridge -- U.S. County in Virginia

From: Gazetteer 2000
Name :
Rockbridge -- U.S. County in Virginia
Population (2000) :
20808
Housing Units (2000) :
9550
Land area (2000) :
599.626756 sq. miles (1553.026103 sq. km)
Water area (2000) :
1.351333 sq. miles (3.499935 sq. km)
Total area (2000) :
600.978089 sq. miles (1556.526038 sq. km)
Located within :
Virginia (VA), FIPS 51
Location :
37.804403 N, 79.437667 W