How to Search Illinois Public Records

Illinois's court, criminal, vital, property, voter, and licensing records are maintained across state agencies and the 102 counties listed below. Use the tabs to filter by record type, or jump directly to any source.

  • Courts: The Illinois Supreme Court sits at the top of the system; trial-court business is handled by the Circuit Court (24 circuits). Most courts publish dockets and case lookups online.
  • Criminal history: The state's criminal-history repository handles official background checks. Fees and procedures are set by the state agency — see the linked official source.
  • Vital records: Birth, death, marriage, and divorce certificates are issued by the Illinois Department of Public Health (Division of Vital Records) and may also be available locally.
  • Property & recorded documents: Maintained at the county level by the Assessor, Recorder, or Clerk's office.
  • Business filings: The Secretary of State (or equivalent) operates the official business-entity search.
Population
12,710,158
Households
4,956,000
Median Income
$78,433
Median Home Value
$250,800

Voter Records Databases

11 official Illinois voter records sources.

Court Records Criminal Records Wants & Warrants Vital Records Voter Records Licenses Recorded Documents Property Records

Voter Records

Cook County Clerk's Office
Official Free
In addition to functioning as the Chief Election Authority for suburban Cook County , the Clerk's Office maintains birth, marriage, and death records; records and maintains deeds, property documents and business forms; assists property owners in redeeming delinquent taxes, and serves as the ...
🌐 www.cookcountyclerkil.gov
Departments | DuPage Co, IL
Official Free
Sign up to receive County updates by email or text! ... Animal Services Building and Zoning Community Services DuPage Care Center Environment and Sustainability ETSB Finance Geographical Information Systems (GIS) Homeland Security and Emergency Management (OHSEM) Human Resources Information Technology Probation and Court Services Public Defender Public Works Stormwater Management Supervisor of Assessments Transportation Veterans Assistance Commission
🌐 www.dupagecounty.gov
David J. Rickert, CPA Mark D. Armstrong, CIAO Kane County Treasurer
Official Free
Kane County Assessment Office · 719 South Batavia Avenue · Geneva, Illinois 60134-3000 · 5. Please call the Kane County Assessment office at (630) 208-3818 with any questions. PARCEL NUMBER --- · PLEASE ENTER NEW INFORMATION: Name ·
🌐 clerk.kanecountyil.gov
Lake County, IL | Official Website
Official Free
Lake County and the City of North Chicago have approved an Intergovernmental Agreement to provide free, high-speed public Wi-Fi to North Chicago’s downtown corridor. Additional Info... View All News ... The County Clerk's Office be closed Monday, May 25th in observance of Memorial Day.
🌐 www.lakecountyil.gov
Madison County ILLINOIS
Official Free
Madison County, Illinois was established and named for President James Madison in September 1812 . The county seat and third oldest city in Illinois is Edwardsville. The rich history includes the departure of William Clark and his troops from Camp Dubois (Wood River), to join John Meriwether ...
🌐 www.madisoncountyil.gov
Illinois Online Voter Registration Application: Registration Lookup
Official Free
Home | State Board of Elections Home | Application Status | Contact Polling Place Locator | Am I Registered To Vote In Illinois?
🌐 ova.elections.il.gov
APPLICATION FOR PERMANENT VOTE BY MAIL STATUS
Official Free
ballots to the official issuing the same prior to the closing of the polls on the date of the election or, if returned by mail, postmarked no · later than election day, for counting no later than during the period for counting provisional ballots, the last day of which is the 14th day
🌐 www.elections.il.gov
Sangamon County Board | Springfield, Illinois
Official Free
The Sangamon County Board (Springfield, Illinois) is responsible for the financial management of County funds, and regulatory powers, including zoning, public health and building safety.
🌐 sangamonil.gov
Will County, IL Elections | Will County, IL Elections
Official Free
WILL COUNTY CLERK TO FOLLOW STATUTORY ELECTION TIMELINES UNDER ILLINOIS ELECTION CODE Joliet- Will County Clerk Annette Parker announced today that Early Voting will proceed as scheduled in accordance with Illinois State Statute, despite the possibility of pending court action related to ballot candidates.
🌐 www.willcountyclerk.gov
Jurisdiction & Map - Wincoil.gov
Official Free
The public highway system in Winnebago County is under the ownership of a variety of agencies including: one of 14 Townships, one of 12 Municipalities, the State of Illinois, the State Toll Highway Authority or us here at the County. The phone numbers of each of these agencies is listed below.
🌐 wincoil.gov
RELEVANT COUNTY MAPS | Champaign County Clerk
Official Free
Information on owning a mobile home in Champaign County. ... Use your Property Index Number (PIN) to see if your property has any sold taxes. ... This is a tax extension resource for taxing districts. ... A PIN, or property index number, is a unique 14-digit number that represents a parcel of land for taxation purposes. ... An overview of the Illinois Property Tax system operating in Champaign County.
🌐 champaigncountyclerk.com

Illinois Counties

102 Illinois counties are indexed on SearchSystems.net — top 28 counties shown below. Browse the full directory or click any county for local court, sheriff, recorder and assessor links.

Cook DuPage Lake Will Kane McHenry Winnebago Madison St. Clair Adams Alexander Bond Boone Brown

Frequently Asked Questions

Illinois's official criminal-history repository is operated by the state law-enforcement agency. Free public access to a complete criminal history is generally not available; an official background check typically requires fingerprints and a fee. County-level court records can be searched at no cost through individual court websites.

Illinois's court system is headed by the Illinois Supreme Court. Trial-court business is handled by the Circuit Court (24 circuits). Many Illinois courts publish docket searches and case lookups online — see the Court Records tab above for direct links.

The Illinois Secretary of State (or equivalent agency) operates the official business-entity search. You can typically search corporations, LLCs, LPs, and other registered entities by name or registration number. See the Licenses or Business tab above.

The Assessor determines property values for tax purposes. The Recorder (or Clerk-Recorder) records deeds, mortgages, liens, and other property documents. Some county offices combine these roles, others keep them separate. Check the specific county page for details.

Illinois vital records (birth, death, marriage, divorce certificates) are issued by the Illinois Department of Public Health (Division of Vital Records) and, in many cases, by local county clerks. Fees and ID requirements are set by the issuing agency.

Most county-level property and recorded-document searches are free for basic information through the Assessor or Recorder website. Certified copies of deeds typically have a per-page fee. Direct links are in the Property Records tab above.

The Illinois sex offender registry is maintained by the state law-enforcement agency under the Sex Offender Registration and Community Notification Act. The registry is searchable by name, ZIP code, or address.

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