About Williamson County

Population 17,000 residents
County Seat Marion
Established 1839
Named After Williamson Dunn

Williamson County is located in Southern Illinois, including approximately 423 square miles in the heart of Williamson County known as 'Little Egypt.' Williamson County Seat is Marion, which is the governmental and commercial hub with a population of approximately 17,000 residents. As of the 2020 Census, Williamson County has a total population of around 67,000 residents. Williamson County was established in 1839 and named after Williamson Dunn, a militia officer killed in the Black Hawk War.

407 N Monroe St, Marion, IL 62959

Williamson County is home to significant landmarks including Crab Orchard National Wildlife Refuge, one of the largest wildlife refuges in Illinois, covering over 43,000 acres and providing recreation and conservation opportunities. Williamson County's geography features rolling hills, forests, and numerous lakes including Crab Orchard Lake and Little Grassy Lake. Historically, Williamson County was a major coal mining center, with mining operations shaping its economy and culture for over a century.

Williamson County government operates from Williamson County Courthouse at 407 North Monroe Street in Marion. Key county offices include Williamson County Recorder, located at 407 N Monroe St, Marion, IL 62959, responsible for recording deeds, mortgages, and land records; Williamson County Clerk, also at the courthouse, handling vital records, elections, and county board proceedings; and Williamson County Assessor, responsible for property assessments and tax valuations. Williamson County's unique position at the crossroads of major transportation routes, including Interstate 57 and multiple state highways, has contributed to its economic development and regional importance.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

Williamson County Sheriff's Office is responsible for maintaining law and order in Williamson County's unincorporated areas. It operates Williamson County jail, processes arrests, and maintains criminal records. The office is also involved in various community programs meant to crime prevention and public safety. The Sheriff's Office has divisions dedicated to patrol, investigations, and corrections, making sure of full law enforcement coverage across Williamson County.

Police Departments

Williamson County is served by several law enforcement agencies, including Williamson County Sheriff's Office and municipal police departments such as the Marion Police Department, Herrin Police Department, and Carterville Police Department. Each agency has jurisdiction over its respective city or area, with the Sheriff's Office covering unincorporated regions. These agencies collaborate on major crimes and public safety initiatives, making sure of a coordinated approach to law enforcement across Williamson County.

Law Enforcement & Arrests

Law enforcement in Williamson County is primarily provided by Williamson County Sheriff's Office, Illinois 62959. The Sheriff's Office can be reached at and operates Williamson County Detention Center at the same location. Citizens can search for current inmates at Williamson County Jail through the Sheriff's Office website or by calling the detention center directly. The inmate lookup system provides information on booking dates, charges, bond amounts, and projected release dates.

  • Arrest records in Williamson County are considered public records under the Illinois Freedom of Information Act (5 ILCS 140/1 et seq.), which requires governmental bodies to provide access to public records upon request.
  • Written requests for arrest records should be submitted to the Sheriff's Office or the arresting agency, and agencies typically have five business days to respond.
  • Mugshots and booking photos are generally available through the Sheriff's Office and may be posted on their website or obtained through FOIA requests.
  • The Illinois State Police District 13 headquartered in DuQuoin also provides law enforcement services throughout Williamson County, particularly on state highways and in unincorporated areas.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records system in Williamson County includes various types of records, including felony, misdemeanor, traffic violations, and the sex offender registry. Williamson County Circuit Clerk's Office maintains court records, while the Sheriff's Office and local police departments handle arrest and incident reports. Residents can run background checks through the Illinois State Police, which provides full criminal history information.

Arrest Records

Arrest records in Williamson County are maintained by Williamson County Sheriff's Office and the various municipal police departments within Williamson County. These records are accessible to the public under the Illinois Freedom of Information Act. Residents and attorneys can request arrest records by submitting a formal request to the appropriate law enforcement agency. A Williamson County arrest record typically includes details such as the individual's name, the nature of the charges, and the date of the arrest.

  • The process for obtaining these records is straightforward, with most agencies providing online request forms or direct contact options for inquiries.

Jail & Inmate Records

Williamson County Jail, located in Marion, is the primary detention facility for Williamson County. It handles the booking and processing of individuals arrested within Williamson County. The jail provides an inmate lookup service, allowing the public to access information about current detainees. Visitation rules are specific to the facility, with scheduled times and strict guidelines to ensure security and order. The bond and bail process follows Illinois state law, allowing for the release of detainees pending trial.

Mugshots & Booking Photos

Mugshots in Williamson County are taken and retained by Williamson 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 submitting a request under the Illinois Freedom of Information Act. While Illinois does not have specific laws for mugshot removal, individuals may petition for removal or sealing of records under certain circumstances, such as expungement of charges.

  • The availability of mugshots online provides transparency but also raises privacy concerns, which are addressed on a case-by-case basis.

Courts & Case Records

Williamson County court system is part of Illinois' First Judicial Circuit. Williamson County Circuit Court is located at 200 West Jefferson Street in Marion, Illinois 62959, and can be reached for The Circuit Court has original jurisdiction over all civil and criminal matters, including felonies, misdemeanors, traffic violations, probate matters, juvenile cases, family law including divorce and child custody, and civil cases. Illinois circuit courts are courts of general jurisdiction handling all case types.

  • Fees for copies of court documents are established by statute, typically $2.00 for the first page and $0.50 for each additional page for most documents, with certified copies costing an additional fee.
  • The Circuit Clerk's office also handles traffic ticket payments, jury services, and filing fees for new cases.

The Chief Judge oversees operations for the First Judicial Circuit, which includes Alexander, Jackson, Johnson, Massac, Pope, Pulaski, Saline, Union, and Williamson counties. Court records in Williamson County are accessible through the Circuit Clerk's office, which maintains case files, judgments, and court proceedings. The public may search court records in person at the Circuit Clerk's office during regular business hours, typically Monday through Friday, 8:00 AM to 4:00 PM.

Online case lookup may be available through the Illinois state court system's case search portal. Access to court records is governed by Illinois Supreme Court Rules and the Illinois Freedom of Information Act (5 ILCS 140/1 et seq.). Some records, including adoption files and certain juvenile records, are sealed by law.

Criminal case records, civil litigation files, probate proceedings, marriage dissolution records, and property foreclosures are all maintained by the Circuit Clerk and available for public inspection subject to privacy restrictions established by law.

Property & Public Records

Property and land records in Williamson County are maintained by Williamson County Recorder of Deeds, located at 407 North Monroe Street, Marion, IL 62959. The Recorder's office can be reached at and is responsible for recording and preserving documents affecting real estate, including warranty deeds, quit claim deeds, mortgages, releases, assignments, liens, easements, plat maps, and other instruments affecting title to real property. The office maintains historical records dating back to Williamson County's formation in 1839.

  • Recording fees are established by Illinois statute and vary based on document type and page count.
  • Williamson County Recorder provides public access to land records during normal business hours, and many counties in Illinois have implemented online property record search systems, though availability varies.
  • Many Illinois counties provide online GIS mapping systems and parcel viewers allowing citizens to search property information by address, parcel number, or owner name.
  • Certified copies of recorded documents can be requested from the Recorder's office, typically for a statutory fee of $2.00 for the first page and $1.00 for each additional page, plus certification fees.
407 North Monroe Street, Marion, IL 62959
407 N Monroe Street, Marion, IL 62959

Citizens should contact the Recorder's office directly to inquire about online access options and search capabilities. Property tax information and assessment records are maintained by Williamson County Supervisor of Assessments, located at 407 N Monroe Street, Marion, IL 62959, phone. The Assessor's office maintains parcel information, property valuations, ownership data, and assessment history.

Williamson County Treasurer's office, also located at the courthouse, handles property tax collection and maintains records of tax payments and delinquencies. These records are public under Illinois law and essential for title searches, real estate transactions, and establishing chain of title.

Vital Records

Vital records for Williamson County, including birth certificates, death certificates, and marriage records, are maintained by Williamson County Clerk's Office at 407 North Monroe Street, Marion, IL 62959, phone. Birth certificates are available for births that occurred within Williamson County. Illinois law restricts access to birth certificates to the person named on the certificate, parents, legal guardians, and other authorized individuals who can demonstrate a direct and tangible interest.

  • Certified copies of birth certificates cost $15.00 for the first copy and $2.00 for each additional copy of the same record requested at the same time.
  • Death certificates for deaths occurring in Williamson County are also available through the County Clerk, with the same fee structure.
  • The marriage license fee is $30.00 in Illinois, though county clerks may charge additional fees.
  • For vital records requests by mail, applicants must provide proper identification, proof of relationship or eligibility, and the appropriate fee.
  • Processing time is typically 10 to 15 business days.
407 North Monroe Street, Marion, IL 62959

Access to death certificates is governed by the Illinois Vital Records Act (410 ILCS 535/1 et seq.), which restricts certain information to authorized persons. Marriage licenses are issued by Williamson County Clerk's office, and couples must apply in person. Marriage records become public information and certified copies can be obtained by any member of the public.

Divorce records are maintained by Williamson County Circuit Clerk as part of court case files, not by the County Clerk. The Illinois Department of Public Health Division of Vital Records in Springfield is the state repository for vital records and can provide certified copies of birth, death, and marriage records for events occurring anywhere in Illinois for a fee of $15.00 per certificate. Online ordering of Illinois vital records is available through VitalChek, an authorized vendor, though expedited service fees apply.

Business & Licensing

Business and licensing records in Williamson County are maintained by multiple offices depending on the type of record. Williamson County Clerk's Office at 407 North Monroe Street, Marion, IL 62959, handles certain local business filings including assumed name certificates (DBA - doing business as) and fictitious name registrations for businesses operating in Williamson County under names other than the legal owner's name. The filing fee for assumed name certificates in Illinois is typically $5.00.

407 North Monroe Street, Marion, IL 62959

For full business entity searches, including corporations, limited liability companies (LLCs), limited partnerships, and not-for-profit corporations, the Illinois Secretary of State Business Services Department maintains the official statewide database. The Illinois Secretary of State offers a free online business entity search at www.ilsos.gov where users can search by business name, registered agent, or file number to view entity status, formation date, registered agent information, and filing history. Professional licenses in Illinois are regulated by the Illinois Department of Financial and Professional Regulation (IDFPR), and license verification can be performed online through the IDFPR website.

Sales tax permits are issued by the Illinois Department of Revenue. Local business licenses and permits may be required by individual municipalities within Williamson County, and applicants should contact city halls in Marion, Herrin, Carterville, Johnston City, and other incorporated areas for specific licensing requirements. Building permits, zoning approvals, and land use permits are typically handled by county or municipal building and zoning departments.

Williamson County Building and Zoning Department can be contacted for permits in unincorporated areas. The Greater Marion Area Chamber of Commerce serves the business community and can be reached through their website at marionillinois.com, providing business resources, networking opportunities, and economic development information for Williamson County.

Elections & Voter Records

Elections in Williamson County, Illinois are administered by Williamson County Clerk's Office, located at 407 North Monroe Street, Marion, IL 62959. Williamson County Clerk is the election authority and can be reached for Voter registration in Williamson County can be completed in person at the County Clerk's office, by mail, or online through the Illinois State Board of Elections website at www.elections.il.gov.

  • In the November 2024 general election, Williamson County, like most Illinois counties, saw moderate turnout typical for presidential election years, generally ranging between 60-70% of registered voters.
  • Absentee voting by mail is available to any registered voter in Illinois without requiring an excuse.
407 North Monroe Street, Marion, IL 62959

The registration deadline in Illinois is 30 days prior to any election, though online registration closes 16 days before an election and grace period registration is available at election authority offices, early voting sites, and polling places during specified periods. Illinois residents must be U.S. Citizens, at least 18 years old by Election Day, and have resided in their election precinct at least 30 days prior to the election.

To find your polling place in Williamson County, voters can contact the County Clerk's office, check their voter registration card, or use the polling place lookup tool on the Illinois State Board of Elections website. Election records that are public in Illinois include voter registration lists (though with restricted personal information), campaign finance disclosure reports filed with the Illinois State Board of Elections or county clerks, candidate filing documents and petitions, precinct-level election results, and election judge rosters. The next major election is scheduled for November 3, 2026, featuring U.S.

House of Representatives races, potential U.S. Senate contests if applicable, Illinois state constitutional offices including Governor, and Illinois General Assembly seats. Vote-by-mail applications can be submitted to Williamson County Clerk's office in writing, and applications must be received by the fifth day before Election Day for mail delivery, or voters may request a ballot in person through the day before the election.

Early voting is also available at designated locations announced by the County Clerk prior to each election. Illinois election transparency is governed by the Illinois Election Code (10 ILCS 5/) and the Illinois Freedom of Information Act, allowing citizens to request copies of ballot applications, precinct results, pollwatcher credentials, and other election administration records, subject to privacy protections for individual voter information.

Economy & Demographics

Williamson County's economy has evolved from its coal mining heritage to a more diversified economic base centered on healthcare, education, retail, manufacturing, and government services. Williamson County is home to several major employers including Heartland Regional Medical Center in Marion, one of the largest healthcare facilities in Southern Illinois employing over 800 people. Southern Illinois University Carbondale, while located in adjacent Jackson County, significantly impacts Williamson County's economy with many employees and students residing in Williamson County.

  • The median household income in Williamson County is approximately $52,000, slightly below the Illinois state median but competitive for rural Southern Illinois.

The Marion Federal Penitentiary, a medium-security federal correctional institution, is a major employer with approximately 300 staff. Retail and commercial development along Interstate 57 has made Marion a regional shopping destination with national chains and local businesses. Major economic sectors include healthcare and social assistance, retail trade, educational services, manufacturing, and public administration.

Williamson County has attracted distribution and logistics operations due to its strategic location at the intersection of I-57 and I-24. Historical coal mining, while diminished, still contributes to the local economy, and Williamson County's industrial heritage is reflected in remaining energy sector employment. Agriculture remains important in rural areas with corn, soybeans, wheat, and livestock production.

Tourism related to Crab Orchard National Wildlife Refuge, fishing, hunting, and outdoor recreation contributes seasonal economic activity. The unemployment rate in Williamson County typically tracks slightly above state averages, reflecting the economic challenges facing rural Illinois communities. Recent economic development efforts have focused on attracting advanced manufacturing, expanding healthcare services, and developing Williamson County's position as a regional commercial hub for Southern Illinois.

Transparency Score

Court Records: Yes: Available | Property: Yes: In-Person Access | Arrest/Jail: Yes: Available via Sheriff | Vital Records: Limited: In-Person/Mail Required | Business: Yes: State Online/County In-Person | Elections: Yes: Online Registration & Results | Overall Score: 7/10, Williamson County provides solid access to public records primarily through in-person requests and phone contact, with some online capabilities through state portals.

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in Williamson County, Illinois?
To search for someone recently arrested in Williamson County, Illinois, you can contact the Williamson County Jail. The jail provides an inmate lookup service that can be accessed online through the this jurisdiction Sheriff's Office website. You can also call the jail directly at their contact number to inquire about recent arrests and inmate information.
Mugshots or booking photos in Williamson County, Illinois, can be obtained from the Williamson County Sheriff's Office. They may provide access to booking photos through their official website or upon request at their office. It's advisable to check their online portal or contact them directly for specific procedures and availability of mugshots.
To obtain a criminal background check in Williamson County, Illinois, you can request it through the Illinois State Police Bureau of Identification. Locally, you may also contact the Williamson County Sheriff's Office for guidance on the process. They can provide information on how to submit your request and any associated fees.
You can look up sex offenders in Williamson County, Illinois, by accessing the Illinois Sex Offender Registry. This registry is maintained by the Illinois State Police and provides a searchable database of registered sex offenders. You can search by name, location, or other criteria to find information about offenders in Williamson County.
To register to vote in Williamson County, you can register online at the Illinois State Board of Elections website (www.elections.il.gov), in person at the Williamson County Clerk's office at 407 North Monroe Street in Marion, or by mailing a completed voter registration application. The registration deadline is 30 days before any election, with online registration closing 16 days prior, though grace period registration is available at specific locations. For information about absentee voting or vote-by-mail options, contact the County Clerk's office at (618) 997-1301.
Property records in Williamson County can be accessed through the Williamson County Recorder of Deeds office at 407 North Monroe Street, Marion, IL 62959, phone (618) 997-1301. The Recorder maintains deeds, mortgages, liens, easements, and other documents affecting real property. Property tax assessment information is available through the the county Supervisor of Assessments at the same courthouse location, phone (618) 997-1355. Contact these offices directly to inquire about in-person searches or possible online access options.
Birth and death certificates for events occurring in Williamson County can be obtained from the Williamson County Clerk's Office at 407 North Monroe Street, Marion, IL 62959, phone (618) 997-1301. Certified copies cost $15.00 for the first copy and $2.00 for each additional copy of the same record. You must provide valid identification and proof of eligibility, as Illinois law restricts access to immediate family members and authorized individuals. Processing typically takes 10 to 15 business days, or you can request records from the Illinois Department of Public Health Division of Vital Records in Springfield.
Business records in Williamson County can be found through several sources. For assumed name (DBA) filings, contact the Williamson County Clerk's Office at (618) 997-1301. For complete business entity searches including corporations and LLCs, use the Illinois Secretary of State's free online business search at www.ilsos.gov. Municipal business licenses are issued by individual cities such as Marion, Herrin, and Carterville, so contact the appropriate city hall for local licensing information. Professional licenses are verified through the Illinois Department of Financial and Professional Regulation website.

Cities & Towns in Williamson County

Nearby Counties

Jackson County IL Franklin County IL Saline County IL Union County IL Johnson County IL Pope County IL