The Collaborative International Dictionary of English v.0.48:

Dongola \Don"go*la\, n.
   1. A government of Upper Egypt.
      [Webster 1913 Suppl.]

   2. same as Dongola kid.

   Dongola kid, D. leather, leather made by the Dongola
      process.

   Dongola process, a process of tanning goatskin, and now
      also calfskin and sheepskin, with a combination of
      vegetable and mineral agents, so that it resembles kid.

   Dongola race, a boat race in which the crews are composed
      of a number of pairs, usually of men and women.
      [Webster 1913 Suppl.]

U.S. Gazetteer Places (2000):

Dongola, IL -- U.S. village in Illinois
   Population (2000):    806
   Housing Units (2000): 354
   Land area (2000):     1.105934 sq. miles (2.864356 sq. km)
   Water area (2000):    0.030364 sq. miles (0.078642 sq. km)
   Total area (2000):    1.136298 sq. miles (2.942998 sq. km)
   FIPS code:            20305
   Located within:       Illinois (IL), FIPS 17
   Location:             37.361243 N, 89.164574 W
   ZIP Codes (1990):     62926
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Dongola, IL
    Dongola