Mercer County Criminal Records

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

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Mercer County public records: common questions

Where to search Mercer County records

Mercer County, New Jersey court, custody, police, and statewide records are kept in separate systems. Start court research with New Jersey Superior Court Mercer Vicinage locations and contacts. Check current custody through Mercer County Correction Center custody and facility information.

Court casesNew Jersey Superior Court Mercer Vicinage locations and contacts
Current custodyMercer County Correction Center custody and facility information
Statewide recordsUse the New Jersey 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 has 12 municipalities: East Windsor, Ewing, Hamilton, Hightstown, Hopewell Borough, Hopewell Township, Lawrence, Pennington, Princeton, Robbinsville, Trenton, and West Windsor.
The Mercer County Civil Courthouse is at 175 South Broad Street in Trenton, and the Criminal Courthouse is at 400 South Warren Street in Trenton.
The Mercer County Correction Center is at 1750 River Road in Hopewell Township and is described by the county as a short-term facility with bed space for 871 inmates across minimum, medium, and maximum-security classifications.
The Correction Center houses pretrial individuals, municipal and Superior Court-sentenced individuals, and state-sentenced inmates awaiting transfer; sentences of 364 days or less may be served there.
The County Clerk maintains copies of Mercer County real-property documents dating from the county’s incorporation in 1838 and provides public inspection of the records room from 8:30 a.m. to 4:30 p.m. on weekdays.
Mercer County identifies OPRA as the governing process for public access to county, state, and local government records.

Mercer County official record-source actions
Record type	Agency or source	Scope	Action	Last checked
Court cases	New Jersey Superior Court Mercer Vicinage locations and contacts	County or local	Open source	August 10, 2026
Jail and custody	Mercer County Correction Center custody and facility information	County or local	Open source	Not yet published
Court cases	Official county municipality directory and jurisdiction overview	County or local	Open source	Not yet published
Court cases	County Clerk land-records recording and public inspection 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 10, 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 399,289 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: 34-021
Population: 399,289 residents (2025 estimate)
Mercer County has 12 municipalities: East Windsor, Ewing, Hamilton, Hightstown, Hopewell Borough, Hopewell Township, Lawrence, Pennington, Princeton, Robbinsville, Trenton, and West Windsor.
Local detail: The Mercer County Civil Courthouse is at 175 South Broad Street in Trenton, and the Criminal Courthouse is at 400 South Warren Street in Trenton.
Local detail: The Mercer County Correction Center is at 1750 River Road in Hopewell Township and is described by the county as a short-term facility with bed space for 871 inmates across minimum, medium, and maximum-security classifications.
Local detail: The Correction Center houses pretrial individuals, municipal and Superior Court-sentenced individuals, and state-sentenced inmates awaiting transfer; sentences of 364 days or less may be served there.
Local detail: The County Clerk maintains copies of Mercer County real-property documents dating from the county’s incorporation in 1838 and provides public inspection of the records room from 8:30 a.m. to 4:30 p.m. on weekdays.
Local detail: Mercer County identifies OPRA as the governing process for public access to county, state, and local government records.

What is specific about this local guide

Mercer County has 12 municipalities: East Windsor, Ewing, Hamilton, Hightstown, Hopewell Borough, Hopewell Township, Lawrence, Pennington, Princeton, Robbinsville, Trenton, and West Windsor.
Local detail: The Mercer County Civil Courthouse is at 175 South Broad Street in Trenton, and the Criminal Courthouse is at 400 South Warren Street in Trenton.
Local detail: The Mercer County Correction Center is at 1750 River Road in Hopewell Township and is described by the county as a short-term facility with bed space for 871 inmates across minimum, medium, and maximum-security classifications.

Where is the Mercer County Superior Court, and which courthouse handles a criminal or civil case?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. Where is the Mercer County Superior Court, and which courthouse handles a criminal or civil case depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

How can I find out whether someone is held at the Mercer County Correction Center?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. How can I find out whether someone is held at the Mercer County Correction Center depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

What is the difference between Mercer County custody, state prison custody, and municipal court custody?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. What is the difference between Mercer County custody, state prison custody, and municipal court custody depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

How do I request Mercer County Sheriff, corrections, court, or administrative records under OPRA?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. How do I request Mercer County Sheriff, corrections, court, or administrative records under OPRA depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

How do I search or record a Mercer County deed, mortgage, lien, map, or other land document?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. How do I search or record a Mercer County deed, mortgage, lien, map, or other land document depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

Which municipal court handles a ticket or complaint in Trenton, Princeton, Hamilton, or another Mercer municipality?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. Which municipal court handles a ticket or complaint in Trenton, Princeton, Hamilton, or another Mercer municipality depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

Where should I request a municipal birth, marriage, tax, police, or other local record?

For Mercer County, start with Official county municipality directory and jurisdiction overview and New Jersey Superior Court Mercer Vicinage locations and contacts, then confirm the filing court or creating agency. Where should I request a municipal birth, marriage, tax, police, or other local record depends on the record type and jurisdiction. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

Mercer County criminal and court records

Start with New Jersey Superior Court Mercer Vicinage locations and contacts for the official Mercer County court path. County: Mercer County government covers the county and its 12 municipalities; municipal governments retain their own local governmental responsibilities. Court: The New Jersey Superior Court Mercer Vicinage handles county-level Superior Court matters. Civil matters are associated with 175 South Broad Street and criminal matters with 400 South Warren Street, both in Trenton.

Municipal courts and nearby local records

Use Official county municipality directory and jurisdiction overview for a local or municipal court path. Custody: The Mercer County Correction Center is the county short-term custody facility and houses pretrial, sentenced, and transfer-pending individuals. The Sheriff’s Transportation Unit moves incarcerated people between the facility and courts or other institutions. Municipal: Municipal courts and municipal agencies operate within the 12 individual municipalities. A county agency or Superior Court should not be treated as the custodian for every municipal record or local court matter.

Mercer County jail and custody information

For current custody information, start with Mercer County Correction Center custody and facility information. The county corrections page describes facility capacity and functions but does not provide a complete live inmate roster in the source page.

Police and incident records

Request a police or incident record from the sheriff or municipal police agency that created it. Court locations and division contacts can change; case-specific filing and hearing information should be confirmed with the Mercer Vicinage or Clerk of the Superior Court.

New Jersey statewide record sources

Statewide New Jersey 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.

Nearby New Jersey county pages

No adjacent county guide is live yet.

Nearby county links will be added after the neighboring pages pass the same source and content review.

Official Mercer County and New Jersey record sources

For an official starting point, use County Clerk land-records recording and public inspection information. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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Prefer an official source? For an official starting point, use County Clerk land-records recording and public inspection information. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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