WordNet (r) 3.0 (2006):

Del Rio
    n 1: a town in southwest Texas on the Rio Grande to the west of
         San Antonio

U.S. Gazetteer Places (2000):

Del Rio, CA -- U.S. Census Designated Place in California
   Population (2000):    1168
   Housing Units (2000): 419
   Land area (2000):     1.459134 sq. miles (3.779140 sq. km)
   Water area (2000):    0.219794 sq. miles (0.569264 sq. km)
   Total area (2000):    1.678928 sq. miles (4.348404 sq. km)
   FIPS code:            18695
   Located within:       California (CA), FIPS 06
   Location:             37.746449 N, 121.011604 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Del Rio, CA
    Del Rio


U.S. Gazetteer Places (2000):

Del Rio, TX -- U.S. city in Texas
   Population (2000):    33867
   Housing Units (2000): 11895
   Land area (2000):     15.436090 sq. miles (39.979289 sq. km)
   Water area (2000):    0.010985 sq. miles (0.028452 sq. km)
   Total area (2000):    15.447075 sq. miles (40.007741 sq. km)
   FIPS code:            19792
   Located within:       Texas (TX), FIPS 48
   Location:             29.370716 N, 100.895839 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Del Rio, TX
    Del Rio