2004 US Senate elections in Illinois by county.
  Keyes &gt;= 50%
  Keyes &gt;= 60%
  Obama &gt;= 40%
  Obama &gt;= 50%
  Obama &gt;= 60%
  Obama &gt;= 70%
  Obama &gt;= 80%
File:Illinois Senate Election Results by County, 2010.svg (public domain)
File:Illinois Senate Election Results by County, 2010.svg: User:Gage
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