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Washington County, IL
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Washington County, Illinois
Established January 2, 1818
Parent County = St. Clair County, Illinois
Washington County was formed including what is now Clinton County; on December 28, 1824 Clinton County was separated, leaving Washington County as it is now
 
County Seat = Nashville
Latitude = 36º 58' N to 42º 30' N
Longitude = 87º 30' W to 91º 30' W
 
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This county is adoptable.
See this webpage for more information if you are interested.

Contact: ILGenWeb State Coordinator


Washington County, IL Archives

  • Biographies
  • Births
  • Cemeteries
  • Census
  • Court
  • Deaths
  • History
  • Marriages
  • Military
  • Obituaries
  • Penny Post Cards
  • Photos
  • Wills & Estates

    Research Links

    State of Illinois Archives

    Surrounding Counties

  • Clinton County Franklin County Jefferson County
    Madison County Marion County Perry County
    Randolph County St. Clair County  

    For corrections or additions, please contact: State Coordinator

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