County Jefferson, Alabama

Jefferson County adalah county yang terletak di negara bagian Alabama, Amerika Serikat. County ini berpenduduk 662.047 jiwa pada tahun 2000.

Jalan utama 
  Interstate 20
  Interstate 22 in 2010
  Interstate 59
  Interstate 65
  Interstate 459
  U.S. Highway 11
  U.S. Highway 31
  U.S. Highway 78
  U.S. Highway 280
  U.S. Highway 411
  State Route 5
  State Route 25
  State Route 75
  State Route 79
  State Route 119
  State Route 149
  State Route 150
  State Route 151
  State Route 269

County di Alabama