WordNet (r) 3.0 (2006):

Youngstown
    n 1: a city in northeast Ohio

U.S. Gazetteer Places (2000):

Youngstown, NY -- U.S. village in New York
   Population (2000):    1957
   Housing Units (2000): 863
   Land area (2000):     1.159671 sq. miles (3.003534 sq. km)
   Water area (2000):    0.241832 sq. miles (0.626341 sq. km)
   Total area (2000):    1.401503 sq. miles (3.629875 sq. km)
   FIPS code:            84143
   Located within:       New York (NY), FIPS 36
   Location:             43.248754 N, 79.042521 W
   ZIP Codes (1990):     14174
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Youngstown, NY
    Youngstown


U.S. Gazetteer Places (2000):

Youngstown, OH -- U.S. city in Ohio
   Population (2000):    82026
   Housing Units (2000): 37159
   Land area (2000):     33.896404 sq. miles (87.791280 sq. km)
   Water area (2000):    0.350361 sq. miles (0.907431 sq. km)
   Total area (2000):    34.246765 sq. miles (88.698711 sq. km)
   FIPS code:            88000
   Located within:       Ohio (OH), FIPS 39
   Location:             41.096258 N, 80.649299 W
   ZIP Codes (1990):     44502 44503 44504 44505 44506 44507
                         44509 44510 44511
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Youngstown, OH
    Youngstown


U.S. Gazetteer Places (2000):

Youngstown, PA -- U.S. borough in Pennsylvania
   Population (2000):    400
   Housing Units (2000): 189
   Land area (2000):     0.102309 sq. miles (0.264979 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.102309 sq. miles (0.264979 sq. km)
   FIPS code:            87208
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.280956 N, 79.365529 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Youngstown, PA
    Youngstown