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Lake County, Illinois
Genealogy, History & Facts

Lake County, Illinois Facts

Lake County

When was Lake County, IL Created?
Lake County was established on March 1, 1839 from McHenry County. This county was named for Lake Michigan .

What is the County Seat of Lake County, IL?
The County Seat is located in Waukegan was originally named Little Fort until 1849 (prior county seats was Burlington from 1839–1841) also, the county government website is .

What counties are adjacent to Lake County, IL?
Bordering Counties are  Kenosha County, WI, Allegan County, Michigan, Van Buren County, Michigan, Berrien County, Michigan, Cook County, McHenry County

What cities and towns are in Lake County, IL?
Cities and towns located in the County include  Waukegan, North Chicago, Highland Park, Zion, Lake Forest, Park City, Highwood, Buffalo Grove, Mundelein, Gurnee, Round Lake Beach, Libertyville, Vernon Hills, Grayslake, Deerfield, Lake Zurich, Lindenhurst, Barrington, Beach Park, Wauconda, Fox Lake, Antioch, Island Lake, Long Grove, Winthrop Harbor, Lincolnshire, Lake Bluff, Round Lake Park, Hawthorn Woods, Lake Villa, Round Lake, Fox River Grove, Lake Barrington, Barrington Hills, Riverwoods, Green Oaks, Kildeer, Deer Park, Wadsworth, North Barrington, Lakemoor, Hainesville, Bannockburn, Third Lake, Round Lake Heights, Tower Lakes, Port Barrington, Mettawa, Old Mill Creek, Indian Creek, Volo.

What Townships are in Lake County, IL?
Townships located in the County include Libertyville, Lake Villa, Ela, Fremont, Grant, Benton, Antioch, Avon, Cuba, Moraine, Newport, Shields, Vernon, West Deerfield, Warren, Waukegan, Wauconda, Zion.

Lake County, IL Vital Records

Where can find Lake County Birth, marriage, Divorce and Death Records?
Lake County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for Lake County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

Lake County, IL Census Records

What Lake County, IL census records are available?
There are many types of census records for Lake County guide you in researching your family tree. Federal Population Schedules are available for 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Lake Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Lake Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Lake Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Lake County, IL Courthouse and Government Records

Lake County Courthouse

What genealogical records can I find in the Lake County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Lake County. The years listed below are the first noted records with this county. See Also Illinois Corthouse Records Research Guide.

  • Lake County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 18 N. County St., Waukegan, IL 60085
  • Lake County Clerk maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County.
    • Phone: 847-377-2400
    • Marriage Records: 1839
    • Birth & Death Records: 1877
  • Lake County Recorder of Deeds serves the people of County by receiving, filing and maintaining all records related to real property in our county. These documents range from all types of conveyance deeds, mortgages, releases and assignments, property liens, as well as, assorted federal, state and local liens. The Recorder’s office is responsible for the recordation and storage of plats of subdivision, land surveys and monument records. Many other types of miscellaneous documents are recorded, such as; foreign birth certificates, foreign marriage licenses, and military discharge paperwork to name a few.
    • Phone: 847-377-2575
    • Land Records:1839
  • Lake County Clerk of the Circuit Court, commonly known as the Circuit Clerk, is the keeper of the files and records of the Circuit Court. The Circuit Clerk's Office retains documents some of which include criminal law, chancery, support, probate, adoption, ect....
    • Phone: 847-377-3380
    • Probate Records: 1839
    • Court Records: 1840
  • Lake County Treasurer's Office is responsible for the statutory duties required as County Treasurer and as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for the entire county.
  • The county archives of the state of Illinois
  • Local Government Records Database - provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system
  • BLM Land Records

Lake County, IL Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Lake County, IL?
A list of Lake County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Illinois Archives, Historical & Genealogical Societies.

Where can I connect with other Lake County, IL Researchers through message boards and forums?

What other genealogical resources are available in Lake County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Lake County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Lake Co. IL Maps, Atlases & Gazetteers

Lake Co. IL Books, Newspapers & Publications

Lake Co. IL Cemeteries & Church Records

Lake Co. IL Family Websites, Pictures & Histories

Lake Co. IL General and History Websites

Lake Co. IL Military Records

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