'Portland, IN' definitions:

Portland, IN -- U.S. city in Indiana

From: Gazetteer 2000
Name :
Portland, IN -- U.S. city in Indiana
Population (2000) :
6437
Housing Units (2000) :
2928
Land area (2000) :
4.108272 sq. miles (10.640375 sq. km)
Water area (2000) :
0.006559 sq. miles (0.016988 sq. km)
Total area (2000) :
4.114831 sq. miles (10.657363 sq. km)
FIPS code :
61236
Located within :
Indiana (IN), FIPS 18
Location :
40.433884 N, 84.979914 W
ZIP Codes (1990) :
47371
Note :
some ZIP codes may be omitted esp. for suburbs.