The Collaborative International Dictionary of English v.0.48:

Laton \Lat"on\, Latoun \Lat"oun\, n.
   Latten, 1. [Obs.] --Chaucer.
   [1913 Webster]

U.S. Gazetteer Places (2000):

Laton, CA -- U.S. Census Designated Place in California
   Population (2000):    1236
   Housing Units (2000): 340
   Land area (2000):     1.927154 sq. miles (4.991305 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.927154 sq. miles (4.991305 sq. km)
   FIPS code:            40746
   Located within:       California (CA), FIPS 06
   Location:             36.434900 N, 119.685835 W
   ZIP Codes (1990):     93242
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Laton, CA
    Laton