What is "south chicago heights"

Population (2000): 3970
Housing Units (2000): 1628
Land area (2000): 1.535131 sq. miles (3.975972 sq. km)
Water area (2000): 0.016386 sq. miles (0.042439 sq. km)
Total area (2000): 1.551517 sq. miles (4.018411 sq. km)
FIPS code: 70629
Located within: Illinois (IL), FIPS 17
Location: 41.483375 N, 87.637461 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: