The Collaborative International Dictionary of English v.0.48:

Bibb \Bibb\ (b[i^]b), n.
   A bibcock. See Bib, n., 3.
   [1913 Webster]

U.S. Gazetteer Counties (2000):

Bibb -- U.S. County in Alabama
   Population (2000):    20826
   Housing Units (2000): 8345
   Land area (2000):     623.025058 sq. miles (1613.627425 sq. km)
   Water area (2000):    3.136875 sq. miles (8.124469 sq. km)
   Total area (2000):    626.161933 sq. miles (1621.751894 sq. km)
   Located within:       Alabama (AL), FIPS 01
   Location:             33.040054 N, 87.123243 W
   Headwords:
    Bibb
    Bibb, AL
    Bibb County
    Bibb County, AL


U.S. Gazetteer Counties (2000):

Bibb -- U.S. County in Georgia
   Population (2000):    153887
   Housing Units (2000): 67194
   Land area (2000):     249.962305 sq. miles (647.399370 sq. km)
   Water area (2000):    5.169095 sq. miles (13.387893 sq. km)
   Total area (2000):    255.131400 sq. miles (660.787263 sq. km)
   Located within:       Georgia (GA), FIPS 13
   Location:             32.829689 N, 83.665205 W
   Headwords:
    Bibb
    Bibb, GA
    Bibb County
    Bibb County, GA