Mercer County Criminal Records

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Use the official court, custody, police-record, and statewide paths for Mercer County, Illinois; jurisdiction limits are explained.

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Searches are compiled from court, county, and statewide public-record sources.

Mercer County public records: common questions

Where to search Mercer County records

Mercer County, Illinois court, custody, police, and statewide records are kept in separate systems. Start court research with Mercer County Circuit Clerk court-records and filing information. Check current custody through Mercer County sheriff and jail information, including law-enforcement and custody contacts.

Court casesMercer County Circuit Clerk court-records and filing information
Current custodyMercer County sheriff and jail information, including law-enforcement and custody contacts
Statewide recordsUse the Illinois state-level source described below when available.
Federal recordsFederal court and custody records are outside county systems and require a separate federal search.

Verified local details

These details were drawn from the official sources linked in this guide. Reconfirm addresses, contacts, schedules, fees, and other time-sensitive details with the responsible agency.

Mercer County Courthouse is at 100 Southeast Third Street in Aledo, with Illinois Courts listing it in District 4 and the Fourteenth Judicial Circuit.
The Illinois Courts directory lists Mercer County court hours as Monday through Friday, 8 am to 4 pm, and identifies Vicki Bluedorn as trial court administrator.
The Illinois Courts page lists a Mercer County e-filing link, online legal resources, self-represented litigant resources, probation, local rules, and mandatory arbitration information.
The Illinois State Archives identifies Mercer County circuit clerk records and lists Aledo as the county seat and the circuit clerk contact number as 309-582-7122.

Mercer County official record-source actions
Record type	Agency or source	Scope	Action	Last checked
Court cases	Mercer County Circuit Clerk court-records and filing information	County or local	Open source	Not yet published
Jail and custody	Mercer County sheriff and jail information, including law-enforcement and custody contacts	County or local	Open source	August 20, 2026
Official records	Illinois Courts directory listing Mercer County courthouse, Fourteenth Judicial Circuit, District 4, and court resources	County or local	Open source	August 19, 2026
Court cases	Illinois State Archives county records and circuit clerk archival-record information	County or local	Open source	Not yet published

How this guide is maintained: This matrix only republishes government and agency destinations supported by the researched guide or its reviewed county source registry. Page updated August 24, 2026. Agency sites and coverage can change, so confirm current rules with the source. Read our county source-review and correction policy.

Records for Mercer County are held by more than one agency. This guide maps the local systems that answer different questions, from court filings and municipal cases to custody, police, and statewide records. Mercer County has 15,229 residents (2025 estimate). The source map below identifies the relevant local courts and agencies. Offices and online systems change, so confirm details with the agency before relying on a record.

Quick facts

County-equivalent identity: 17-131
Population: 15,229 residents (2025 estimate)
Local detail: Mercer County Courthouse is at 100 Southeast Third Street in Aledo, with Illinois Courts listing it in District 4 and the Fourteenth Judicial Circuit.
Local detail: The Illinois Courts directory lists Mercer County court hours as Monday through Friday, 8 am to 4 pm, and identifies Vicki Bluedorn as trial court administrator.
Local detail: The Illinois Courts page lists a Mercer County e-filing link, online legal resources, self-represented litigant resources, probation, local rules, and mandatory arbitration information.
Local detail: The Illinois State Archives identifies Mercer County circuit clerk records and lists Aledo as the county seat and the circuit clerk contact number as 309-582-7122.

What is specific about this local guide

Local detail: Mercer County Courthouse is at 100 Southeast Third Street in Aledo, with Illinois Courts listing it in District 4 and the Fourteenth Judicial Circuit.
Local detail: The Illinois Courts directory lists Mercer County court hours as Monday through Friday, 8 am to 4 pm, and identifies Vicki Bluedorn as trial court administrator.
Local detail: The Illinois Courts page lists a Mercer County e-filing link, online legal resources, self-represented litigant resources, probation, local rules, and mandatory arbitration information.

How can I verify Mercer County jail custody or bond information?

The Mercer County sheriff site was identified as an official sheriff source, but live jail roster, visitation, and bond details were not confirmed in the reviewed material. Use Mercer County sheriff and jail information, including law-enforcement and custody contacts for the detention agency's current visitation, booking, release, and records procedures.

Which court handles a Mercer County criminal, civil, traffic, or family case?

Current approved sources for Mercer County do not substantiate a definitive court assignment for every case type. Check Mercer County Circuit Clerk court-records and filing information to confirm the filing court, venue, and case type before relying on a search.

How do I contact the Mercer County Circuit Clerk?

The approved official source set for Mercer County does not document a definitive court assignment for every case type. Check Mercer County Circuit Clerk court-records and filing information to confirm the filing court, venue, and case type before relying on a search.

Where can I find Mercer County court forms, e-filing, or self-help resources?

Current approved sources for Mercer County do not substantiate a case-specific court search or document-request procedure. Open Mercer County Circuit Clerk court-records and filing information for the court's current case-search and document-access instructions.

How can I request Mercer County historical or court records?

Current approved sources for Mercer County do not substantiate a case-specific court search or document-request procedure. Open Illinois State Archives county records and circuit clerk archival-record information for the court's current case-search and document-access instructions.

Which municipal agency has jurisdiction for an incident in Mercer County?

Mercer County government and the sheriff handle county-level law enforcement, jail, court administration, records, and civil process; municipal agencies remain separate. Use Mercer County sheriff and jail information, including law-enforcement and custody contacts to confirm the responsible law-enforcement agency before requesting a record.

Mercer County criminal and court records

Start with Illinois Courts directory listing Mercer County courthouse, Fourteenth Judicial Circuit, District 4, and court resources for the official Mercer County court path. County: Mercer County government and the sheriff handle county-level law enforcement, jail, court administration, records, and civil process; municipal agencies remain separate. Court: Mercer County Courthouse serves the county in Illinois District 4 and the Fourteenth Judicial Circuit.

Municipal courts and nearby local records

Municipal and local court coverage is separate from the county trial-court path. Custody: The reviewed sheriff source identifies a Mercer County sheriff and jail website, but live custody status and roster details were not independently verified from the reviewed pages. Municipal: Municipal police and local ordinances depend on the city or village where the matter occurred and are separate from county sheriff jurisdiction.

Mercer County jail and custody information

For current custody information, start with Mercer County sheriff and jail information, including law-enforcement and custody contacts. The Mercer County sheriff site was identified as an official sheriff source, but live jail roster, visitation, and bond details were not confirmed in the reviewed material.

Police and incident records

Request a police or incident record from the sheriff or municipal police agency that created it. The Mercer County Circuit Clerk URL was identified from official court and state records, but current page content was not independently retrieved; confirm current contact and service details directly.

Illinois statewide record sources

Statewide Illinois sources are separate from Mercer County local records. Do not treat a statewide search as a complete county docket, jail roster, or police-record database.

Cities and local search areas

The relevant local courts and agencies may serve different incorporated municipalities, so confirm the filing locality before relying on a record.

Official Mercer County and Illinois record sources

For an official starting point, use Illinois Courts directory listing Mercer County courthouse, Fourteenth Judicial Circuit, District 4, and court resources. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

Disclosure: criminal.com may earn a commission when you use the people-search tool on this page, which is powered by a third-party background-check service. Results are for personal knowledge only and may not be used for employment, housing, credit, tenant screening, or any other purpose covered by the Fair Credit Reporting Act. An arrest or booking record is not proof of guilt. This page is general information, not legal advice; for advice about a specific situation, consult an attorney.

Prefer an official source? For an official starting point, use Illinois Courts directory listing Mercer County courthouse, Fourteenth Judicial Circuit, District 4, and court resources. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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