WordNet (r) 3.0 (2006):

Duluth
    n 1: a city in northeast Minnesota on Lake Superior

U.S. Gazetteer Places (2000):

Duluth, GA -- U.S. city in Georgia
   Population (2000):    22122
   Housing Units (2000): 9061
   Land area (2000):     8.805392 sq. miles (22.805859 sq. km)
   Water area (2000):    0.098185 sq. miles (0.254298 sq. km)
   Total area (2000):    8.903577 sq. miles (23.060157 sq. km)
   FIPS code:            24600
   Located within:       Georgia (GA), FIPS 13
   Location:             34.003100 N, 84.145498 W
   ZIP Codes (1990):     30136
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Duluth, GA
    Duluth


U.S. Gazetteer Places (2000):

Duluth, MN -- U.S. city in Minnesota
   Population (2000):    86918
   Housing Units (2000): 36994
   Land area (2000):     68.007693 sq. miles (176.139108 sq. km)
   Water area (2000):    19.314291 sq. miles (50.023782 sq. km)
   Total area (2000):    87.321984 sq. miles (226.162890 sq. km)
   FIPS code:            17000
   Located within:       Minnesota (MN), FIPS 27
   Location:             46.780373 N, 92.117079 W
   ZIP Codes (1990):     55801 55802 55803 55804 55805 55806
                         55807 55808 55812
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Duluth, MN
    Duluth