WordNet (r) 3.0 (2006):

Ponca
    n 1: a member of the Siouan people of the Missouri river valley
         in northeastern Nebraska [syn: Ponca, Ponka]
    2: the Dhegiha dialect spoken by the Ponca [syn: Ponca,
       Ponka]

U.S. Gazetteer Places (2000):

Ponca, NE -- U.S. city in Nebraska
   Population (2000):    1062
   Housing Units (2000): 425
   Land area (2000):     0.704172 sq. miles (1.823797 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.704172 sq. miles (1.823797 sq. km)
   FIPS code:            39695
   Located within:       Nebraska (NE), FIPS 31
   Location:             42.563964 N, 96.710563 W
   ZIP Codes (1990):     68770
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Ponca, NE
    Ponca