Lake County Research

Clerk of the Circuit Court​
18 N. County Street
Waukegan, Illinois 60085
847-377-3380
Email
Website
  • Naturalization records
    Still in Springfield being scanned
    CDs will be available soon
  • Probate records
    PDF index starting with 1840
Lake County History Archives​
Housed at the Lake County Discovery Museum
27277 N. Forest Preserve Road
Wauconda, Illinois
847-968-3400
Email
Website

Call Discovery Museum for help as archive building is temporarily closed.
  • Postcard views of Lake County towns and resorts, schools, farms, residences, Fort Sheridan and individual photos
  • Plat maps dating from 1861
  • School Collection
  • Civil War Collection
Planning, Building and Development​
500 W. Winchester Road
2nd Floor
Libertyville, Illinois 60046
847-377-2500
Email
Website

 Countywide aerial photography
Available online for various years between 1939 and 2010
  • Reproductions of the digital, paper and mylar photography are available for viewing or purchase
  • Census reports (1900 – present)
Recorder of Deeds
18 N. County Street
Waukegan, Illinois 60085
847-377-2575
Email
Website
  • Military Discharge (DD214) starting in 1919
    available to family members only
  • Deeds, Mortgages, and Releases
    Free viewing available in the office or
    online subscription
  • Cemeteries
    Online list of surveyed cemetery plats
Lake County Township Offices
To check out a list of area townships, visit the Resource Directory.