About Saint Clair County

Population 257,000 residents
Area 674 square miles
County Seat Belleville

Saint Clair County is located in southwestern Illinois, directly across the Mississippi River from St. Louis, Missouri, serving as part of the greater St. Louis metropolitan area. Saint Clair County Seat is Belleville, which also is the largest city in Saint Clair County. Established on April 27, 1790, Saint Clair County holds the distinction of being the oldest county in Illinois, predating statehood by nearly three decades. With an estimated population exceeding 257,000 residents, Saint Clair County covers approximately 674 square miles of land and water. Major cities include Belleville, East St.

10 Public Square, Belleville, IL 62220

Louis, O'Fallon, Collinsville, and Fairview Heights. Saint Clair County is home to Scott Air Force Base, a major military installation and economic driver, as well as the Cahokia Mounds State Historic Site, a UNESCO World Heritage Site preserving the remnants of the largest pre-Columbian settlement north of Mexico. Saint Clair County government operates through several key offices: the County Clerk located at 10 Public Square, Belleville, IL 62220; the Recorder of Deeds at the same address; the County Assessor at 19 Public Square, Belleville; and the Circuit Clerk handling court records.

Saint Clair County's proximity to St. Louis has shaped its economic and cultural identity, with a diverse population and a mix of urban, suburban, and rural communities. Saint Clair County's unique position as Illinois' oldest county, combined with its metropolitan connectivity and rich historical significance, makes it a vital region for commerce, military operations, and cultural heritage preservation in the state.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

Saint Clair County Sheriff's Office is responsible for maintaining law and order in Saint Clair County, particularly in unincorporated areas. The office is tasked with patrolling these regions, managing Saint Clair County jail, processing arrests, and maintaining criminal records. The Sheriff's Office also runs various programs meant to community engagement and crime prevention, such as neighborhood watch initiatives and educational outreach programs. The office is known for its specialized divisions, including a narcotics unit and a K-9 unit, which enhance its operational capabilities.

Police Departments

Saint Clair County is served by several law enforcement agencies, including Saint Clair County Sheriff's Office and municipal police departments. Key city departments include the Belleville Police Department, East St. Louis Police Department, and O'Fallon Police Department. Each department has jurisdiction within its respective city limits, while the Sheriff's Office covers unincorporated areas. These agencies collaborate on major crimes and public safety initiatives, often forming task forces to address issues like drug trafficking and violent crime.

Law Enforcement & Arrests

Saint Clair County Sheriff's Office, headquartered at 700 South Second Street, Belleville, IL 62220 (phone: 618-277-3505), is the primary law enforcement agency serving unincorporated areas and providing countywide services including jail operations, court security, and civil process. The Sheriff's Office operates Saint Clair County Jail at 400 infirmary Road, Belleville, IL 62220, which houses adult inmates.

  • Arrest records in Saint Clair County are public records under the Illinois Freedom of Information Act (5 ILCS 140/1 et seq.), which requires government agencies to provide access to public records upon request.
  • Citizens may submit FOIA requests to the Sheriff's Office or individual police departments to obtain arrest records, incident reports, and related documentation.
  • Mugshots and booking photos are typically available through the Sheriff's online inmate search system and may also be requested through formal FOIA requests.
  • Processing times vary, but agencies must respond to FOIA requests within five business days.
700 South Second Street, Belleville, IL 62220 • Phone: 618-277-3505
400 infirmary Road, Belleville, IL 62220

Current inmate information can be searched online through the Sheriff's Office website at www.co.st-clair.il.us/departments/sheriff, where the public can access the inmate roster by searching names or booking numbers. Municipal police departments operate in Belleville, East St. Louis, O'Fallon, Collinsville, Fairview Heights, Swansea, Mascoutah, Freeburg, Caseyville, and other incorporated municipalities within Saint Clair County.

Some records may be exempt from disclosure if they would interfere with active investigations or compromise witness safety. Scott Air Force Base maintains its own security forces for on-base law enforcement matters, coordinating with local agencies when necessary for incidents involving civilian jurisdiction.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records system in Saint Clair County includes records of felonies, misdemeanors, traffic offenses, and the sex offender registry. These records are maintained by Saint Clair County Circuit Clerk and the Sheriff's Office. Residents can conduct background checks through the Illinois State Police, which provides full criminal history reports. The Illinois Bureau of Investigation offers additional resources for background checks, so that residents have access to accurate and up-to-date information about criminal activity in Saint Clair County.

Arrest Records

Arrest records in Saint Clair County are maintained by Saint Clair County Sheriff's Office and local police departments. These records can be requested by residents and attorneys through formal applications, often requiring identification and a fee. A typical arrest record in Saint Clair County includes the individual's name, charges, booking details, and arresting agency. The process is governed by the Illinois Freedom of Information Act, which ensures public access to government records while protecting individual privacy.

Jail & Inmate Records

Saint Clair County Jail, located in Belleville, is the primary detention facility for Saint Clair County. It handles the booking process for people arrested within Saint Clair County, where they are processed and held until they post bail or appear in court. The facility provides an online inmate lookup service, allowing the public to search for current inmates. Visitation rules are specific to the facility, requiring appointments and adherence to strict guidelines.

  • In Illinois, the bond process allows for the posting of bail through cash or bond services, and information on recently arrested individuals can be accessed through the Sheriff's Office.

Mugshots & Booking Photos

Mugshots in Saint Clair County are taken and retained by Saint Clair County Sheriff's Office during the booking process. These booking photos are part of the public record and can be accessed through the Sheriff's Office website or by request. While Illinois does not have specific laws for mugshot removal, individuals may petition for removal or sealing under certain circumstances, such as expungement of the associated criminal record.

Courts & Case Records

The Circuit Court of Saint Clair County is the court of general jurisdiction, located at 10 Public Square, Belleville, IL 62220 (phone: 618-277-6600). The court handles civil, criminal, domestic relations, probate, traffic, and juvenile matters. Saint Clair County operates under the Third Judicial Circuit of Illinois. Court records are maintained by the Circuit Clerk, and case information can be searched online through the Illinois eCourts system at www.illinoiscourts.gov, though full access to documents often requires in-person requests or registration.

  • The Circuit Clerk's office charges fees for certified copies of documents, typically $2 for the first page and $0.50 for each additional page, plus a $2 certification fee.
  • More detailed records, including filed documents and transcripts, generally require in-person requests or accounts with approved e-filing vendors.
10 Public Square, Belleville, IL 62220 • Phone: 618-277-6600

The Circuit Court is divided into divisions including Criminal, Civil, Domestic Relations, Probate, Traffic, and Juvenile. Associate judges handle smaller claims and preliminary matters, while circuit judges preside over more serious cases and appeals from administrative agencies. Saint Clair County does not maintain separate municipal courts; traffic and ordinance violations are handled either by the Circuit Court or through administrative adjudication systems in individual municipalities.

Public access to court records in Illinois is governed by Supreme Court Rule 61, which establishes that court records are presumptively open to the public unless specifically sealed by court order or protected by statute. Online case searches through eCourts provide basic case information at no charge, including party names, case numbers, filing dates, and disposition information. The Probate Division handles estates, guardianships, and conservatorships at the same courthouse location.

Property & Public Records

Saint Clair County Recorder of Deeds, located at 10 Public Square, Belleville, IL 62220 (phone: 618-277-6600), maintains land records including warranty deeds, quitclaim deeds, mortgages, deeds of trust, liens, easements, plat maps, and other instruments affecting real property title. The Recorder's office provides online access to recorded documents through a subscription-based system available at www.co.st-clair.il.us, where users can search by grantor/grantee name, document type, or legal description.

  • Recording fees vary by document type: standard documents cost $12 for the first four pages plus $1 for each additional page.
  • Saint Clair County Treasurer, located at 10 Public Square (phone: 618-277-6633), handles tax payment records and conducts tax sales for delinquent properties.
  • Certified copies of recorded documents can be requested in person or by mail with proper identification and payment.
  • The Recorder's office accepts cash, checks, and credit cards for fees.
10 Public Square, Belleville, IL 62220 • Phone: 618-277-6600
19 Public Square, Belleville, IL 62220 • Phone: 618-277-6626

Document images are available for records dating back several decades, with newer records updated regularly. Property tax information is maintained separately by Saint Clair County Supervisor of Assessments at 19 Public Square, Belleville, IL 62220 (phone: 618-277-6626), which provides property assessment data, parcel identification numbers, and ownership information. Saint Clair County offers a Geographic Information System (GIS) online portal that allows free public access to parcel maps, aerial photography, zoning information, and basic property characteristics without subscription fees.

Attorneys, title companies, and frequent users often maintain commercial accounts for regular access. All land records are public under Illinois statute (765 ILCS 5/28), for public access in real estate transactions and property ownership.

Vital Records

Birth and death certificates for events occurring in Saint Clair County are available through Saint Clair County Clerk's Office at 10 Public Square, Belleville, IL 62220 (phone: 618-277-6600). Birth certificates cost $15 for the first copy and $2 for each additional copy of the same record ordered simultaneously; death certificates cost $19 for the first copy and $4 for each additional copy. Certified copies are typically processed within 3-5 business days for in-person requests and 2-3 weeks for mail requests.

  • Eligible requesters include the person named on the certificate (if of legal age), parents, legal guardians, adult children, spouses, grandparents, or legal representatives.
  • Processing through the state office typically takes 4-6 weeks.
  • VitalChek, an authorized third-party vendor, offers online and phone ordering of Illinois vital records at www.vitalchek.com with expedited shipping options for an additional fee.
  • Marriage licenses are issued by Saint Clair County Clerk's Office; the license costs $65 and is valid for 60 days.
  • Certified copies of marriage certificates cost $5 each.
10 Public Square, Belleville, IL 62220 • Phone: 618-277-6600

Applicants must provide valid government-issued photo identification and demonstrate a direct and tangible interest in the record, as required by the Illinois Vital Records Act (410 ILCS 535/1 et seq.). The Illinois Department of Public Health Division of Vital Records (phone: 217-782-6553) is the state repository for all Illinois vital records and can provide certified copies for births and deaths occurring anywhere in Illinois, with the same identification and eligibility requirements. Both parties must appear in person with valid identification and Social Security numbers.

There is no waiting period or blood test requirement in Illinois. Divorce records (divorce decrees) are maintained by the Circuit Clerk of the court that granted the dissolution and can be requested at the courthouse with proper identification and case information.

Business & Licensing

Business licensing and registration in Saint Clair County occurs at multiple levels. Saint Clair County Clerk's Office at 10 Public Square, Belleville, IL 62220 (phone: 618-277-6600) handles Assumed Name (DBA) registrations for businesses operating under names other than the owner's legal name, with a filing fee of approximately $5. However, most formal business entity formation, including corporations, limited liability companies, and limited partnerships, is handled exclusively by the Illinois Secretary of State Business Services Division in Springfield.

  • Illinois sales tax permits are issued by the Illinois Department of Revenue (phone: 217-782-3336) and can be applied for online at mytax.illinois.gov.
  • Building permits, zoning approvals, and land use permits are handled by Saint Clair County Planning and Zoning Department at 19 Public Square, Belleville, IL 62220 (phone: 618-277-6790).
10 Public Square, Belleville, IL 62220 • Phone: 618-277-6600
19 Public Square, Belleville, IL 62220 • Phone: 217-782-3336

The Secretary of State maintains a free online business entity search at www.ilsos.gov where the public can look up corporations, LLCs, and not-for-profit organizations by name or file number, viewing status, registered agent, formation date, and filing history. Professional licenses for occupations such as real estate agents, contractors, healthcare providers, and cosmetologists are regulated by the Illinois Department of Financial and Professional Regulation (IDFPR), with searchable license verification available at www.idfpr.com. Local business licenses and permits vary by county; cities such as Belleville, O'Fallon, and Collinsville require separate business licenses, and applicants should contact the respective city clerk or business licensing department.

The Southwestern Illinois Development Authority (SWIDA) and chambers of commerce in Belleville (www.bellevillechamber.org), O'Fallon, and other cities provide business development resources, networking, and advocacy for the local business community.

Elections & Voter Records

Elections in Saint Clair County are administered by Saint Clair County Clerk's Office, located at 10 Public Square, Belleville, IL 62220 (phone: 618-277-6600, website: www.co.st-clair.il.us/departments/county-clerk/elections). Saint Clair County Clerk is the election authority, responsible for voter registration, ballot preparation, polling place management, early voting operations, and vote tabulation. Illinois residents may register to vote online at ova.elections.il.gov, by mail, or in person at the County Clerk's office, public libraries, and other designated agencies.

  • Registered voters can verify their registration status and find their polling place at www.elections.il.gov by entering their name and address.
  • Illinois election law (10 ILCS 5/) provides for public observation of election processes, post-election canvass procedures, and discovery recounts.
  • Saint Clair County Clerk maintains election results archives and provides precinct-level data upon request, supporting transparency and public confidence in election integrity.
10 Public Square, Belleville, IL 62220 • Phone: 618-277-6600

The voter registration deadline is 16 days before any election for online and mail registration; grace period registration and voting is available at the County Clerk's office and election day at designated locations. Saint Clair County operates numerous Election Day polling places throughout its precincts, typically located in schools, municipal buildings, and community centers, open from 6:00 a.m. To 7:00 p.m.

Early voting is available at the County Clerk's office and designated satellite locations beginning 40 days before each election. Vote-by-mail (absentee) ballots can be requested online through the Illinois State Board of Elections voter portal, by mail, or in person at the County Clerk's office; applications must be received by five days before the election for mail delivery, or ballots can be requested in person until the day before Election Day. Public election records include voter registration rolls (available for inspection under 10 ILCS 5/1-7, though personal information is redacted), candidate nominating petitions and statements of economic interest, campaign finance disclosure reports filed with the State Board of Elections and local election authorities, and certified election results by precinct.

In the November 2024 general election, Saint Clair County reported voter turnout of approximately 63%, reflecting typical turnout patterns for presidential election years in suburban-urban Illinois counties. The next major election is scheduled for November 3, 2026, featuring U.S. House of Representatives races, one U.S.

Senate seat, Illinois constitutional officers including Governor and Attorney General, state legislative seats, and various county offices.

Economy & Demographics

Saint Clair County's economy is diverse and anchored by several major sectors. Scott Air Force Base is the largest employer in Saint Clair County, with over 13,000 military and civilian personnel supporting Air Mobility Command and U.S. Transportation Command operations, generating substantial economic impact through payroll, contracts, and related services. Healthcare is another major employment sector, with major providers including Memorial Hospital Belleville, HSHS St. Elizabeth's Hospital, and BJC HealthCare facilities serving Saint Clair County.

  • Manufacturing maintains a significant presence, with companies in aerospace, automotive parts, food processing, and industrial equipment.
  • Median household income in Saint Clair County is approximately $59,000, slightly below the Illinois state median but varying considerably between municipalities.

Major employers include Lilly USA (pharmaceutical manufacturing), Komatsu Mining Corp, and Eckert's Inc. The retail and logistics sectors thrive due to Saint Clair County's strategic location along Interstate 64, Interstate 255, and proximity to Lambert-St. Louis International Airport.

O'Fallon and Shiloh have higher median incomes, while East St. Louis faces economic challenges with lower income levels and higher poverty rates. The unemployment rate has generally tracked state and national trends, hovering around 4-5% in recent years.

Agriculture remains important in Saint Clair County's rural areas, with corn, soybeans, and livestock production contributing to the local economy. Economic development initiatives focus on using Scott Air Force Base's presence, expanding the MetroLink light rail system to improve transit connectivity, redeveloping brownfield sites in East St. Louis, and supporting small business growth through the Southwestern Illinois Development Authority and local economic development corporations.

Gaming and entertainment also contribute economically, with Casino Queen in East St. Louis generating tax revenue and employment.

Transparency Score

Court Records: Yes: Online (eCourts) | Property: Yes: Free GIS/Paid Recorder Search | Arrest/Jail: Yes: Online Roster | Vital Records: Limited: In-Person/Mail Required | Business: Yes: Online (State Level) | Elections: Yes: Online Voter Tools | Overall Score: 8/10, Saint Clair County provides strong online access to most public records through county and state portals, with property data particularly accessible via free GIS.

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in Saint Clair County, Illinois?
To search for someone recently arrested in Saint Clair County, Illinois, you can use the inmate lookup tool provided by the Saint Clair County Jail. The jail is located at 700 North 5th Street, Belleville, IL. You can visit their website or contact the jail directly at (618) 207-4374 for more information on accessing the inmate database.
Mugshots or booking photos in Saint Clair County, Illinois, can be obtained through the Saint Clair County Sheriff's Office. They may provide access to these images through their official website or upon request at their office located at 700 North 5th Street, Belleville, IL. For online access, you can check if they have a dedicated portal for public records.
To obtain a criminal background check in Saint Clair County, Illinois, you should contact the Illinois State Police Bureau of Identification. Locally, you can also visit the Saint Clair County Sheriff's Office for guidance on the process. The Illinois Uniform Conviction Information Act governs the release of criminal history records in the state.
You can look up sex offenders in Saint Clair County, Illinois, by accessing the Illinois Sex Offender Registry. This registry is maintained by the Illinois State Police and provides information about registered sex offenders in the area. You can search the registry online by name, address, or zip code to find relevant information.
You can register to vote in Saint Clair County online at ova.elections.il.gov, in person at the Saint Clair County Clerk's Office at 10 Public Square in Belleville, or at designated agencies and public libraries. The registration deadline is 16 days before any election for online and mail registration, though Illinois offers grace period registration through Election Day. You can also request vote-by-mail ballots through the County Clerk's elections division or online through the state voter portal.
Property records in Saint Clair County can be searched through the Recorder of Deeds office at www.co.st-clair.il.us, which offers a subscription-based document imaging system for deeds, mortgages, and liens. For free access to parcel maps, ownership data, and tax information, use the county's online GIS mapping system available through the county website. The Supervisor of Assessments at 19 Public Square, Belleville, provides property assessment records and parcel information, while the County Treasurer handles tax payment history.
Birth and death certificates for events in Saint Clair County can be obtained from the Saint Clair County Clerk's Office at 10 Public Square, Belleville, IL 62220, with birth certificates costing $15 and death certificates $19 for the first certified copy. You must provide valid photo ID and demonstrate eligibility under the Illinois Vital Records Act (410 ILCS 535/). Processing takes 3-5 business days in person or 2-3 weeks by mail, or you can order online through VitalChek at www.vitalchek.com with expedited shipping options.
Business name registrations (DBAs) filed in Saint Clair County can be requested through the County Clerk's Office at 10 Public Square, Belleville. For corporations and LLCs, use the free Illinois Secretary of State business entity search at www.ilsos.gov to look up formation records, registered agents, and current status. Individual municipalities such as Belleville, O'Fallon, and Collinsville issue local business licenses through their respective city clerk offices, and professional licenses can be verified through the Illinois Department of Financial and Professional Regulation at www.idfpr.com.