The Collaborative International Dictionary of English v.0.48:

Crocker \Crock"er\ (-[~e]r), n.
   A potter. [Obs.] --Wyclif.
   [1913 Webster]

U.S. Gazetteer Places (2000):

Crocker, MO -- U.S. city in Missouri
   Population (2000):    1033
   Housing Units (2000): 517
   Land area (2000):     1.189548 sq. miles (3.080914 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.189548 sq. miles (3.080914 sq. km)
   FIPS code:            17344
   Located within:       Missouri (MO), FIPS 29
   Location:             37.949542 N, 92.265660 W
   ZIP Codes (1990):     65452
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Crocker, MO
    Crocker