'South River' definitions:

South River, NJ -- U.S. borough in New Jersey

From: Gazetteer 2000
Name :
South River, NJ -- U.S. borough in New Jersey
Population (2000) :
15322
Housing Units (2000) :
5769
Land area (2000) :
2.814128 sq. miles (7.288557 sq. km)
Water area (2000) :
0.125812 sq. miles (0.325852 sq. km)
Total area (2000) :
2.939940 sq. miles (7.614409 sq. km)
FIPS code :
69420
Located within :
New Jersey (NJ), FIPS 34
Location :
40.444356 N, 74.381756 W
ZIP Codes (1990) :
08882
Note :
some ZIP codes may be omitted esp. for suburbs.