'Portland, CT' definitions:

Portland, CT -- U.S. Census Designated Place in Connecticut

From: Gazetteer 2000
Name :
Portland, CT -- U.S. Census Designated Place in Connecticut
Population (2000) :
5534
Housing Units (2000) :
2286
Land area (2000) :
4.933216 sq. miles (12.776971 sq. km)
Water area (2000) :
0.530688 sq. miles (1.374476 sq. km)
Total area (2000) :
5.463904 sq. miles (14.151447 sq. km)
FIPS code :
61870
Located within :
Connecticut (CT), FIPS 09
Location :
41.580375 N, 72.625591 W
ZIP Codes (1990) :
06480
Note :
some ZIP codes may be omitted esp. for suburbs.