WordNet (r) 3.0 (2006):

Kennewick
    n 1: a town in southern Washington on the Columbia River

U.S. Gazetteer Places (2000):

Kennewick, WA -- U.S. city in Washington
   Population (2000):    54693
   Housing Units (2000): 22043
   Land area (2000):     22.932733 sq. miles (59.395504 sq. km)
   Water area (2000):    1.383562 sq. miles (3.583409 sq. km)
   Total area (2000):    24.316295 sq. miles (62.978913 sq. km)
   FIPS code:            35275
   Located within:       Washington (WA), FIPS 53
   Location:             46.203475 N, 119.159270 W
   ZIP Codes (1990):     99336 99337
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Kennewick, WA
    Kennewick