WordNet (r) 3.0 (2006):

Pontiac
    n 1: famous chief of the Ottawa who led an unsuccessful
         rebellion against the British (1715-1769)

U.S. Gazetteer Places (2000):

Pontiac, IL -- U.S. city in Illinois
   Population (2000):    11864
   Housing Units (2000): 4379
   Land area (2000):     5.242651 sq. miles (13.578402 sq. km)
   Water area (2000):    0.010230 sq. miles (0.026496 sq. km)
   Total area (2000):    5.252881 sq. miles (13.604898 sq. km)
   FIPS code:            61015
   Located within:       Illinois (IL), FIPS 17
   Location:             40.880003 N, 88.630385 W
   ZIP Codes (1990):     61764
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pontiac, IL
    Pontiac


U.S. Gazetteer Places (2000):

Pontiac, MI -- U.S. city in Michigan
   Population (2000):    66337
   Housing Units (2000): 26336
   Land area (2000):     19.991869 sq. miles (51.778700 sq. km)
   Water area (2000):    0.220139 sq. miles (0.570157 sq. km)
   Total area (2000):    20.212008 sq. miles (52.348857 sq. km)
   FIPS code:            65440
   Located within:       Michigan (MI), FIPS 26
   Location:             42.646038 N, 83.292565 W
   ZIP Codes (1990):     48340 48341 48342
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pontiac, MI
    Pontiac