Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 23, 2026 and October 11, 2026.
Hunterdon County, New Jersey, has about 132,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Hunterdon County is held at the county jail, run by the Hunterdon County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Hunterdon County public records, Hunterdon County arrest records, Hunterdon County warrants, Hunterdon County criminal records, Hunterdon County court records, New Jersey arrest records and New Jersey inmate search.
Finding Someone in Custody in Hunterdon County
A person kept in custody after an arrest in Hunterdon County is held at the county jail, run by the Hunterdon County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Hunterdon County Sheriff's Office at co.hunterdon.nj.us/m/directory/department?did=32 (page title: Staff Directory, County Sheriff's Office), phone 908-788-1166, 71 Main Street Building 1, 1st Floor Flemington, NJ 08822, which answered when SearchSystems opened it on October 11, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at 908-788-1166.
The Hunterdon County Jail by the Numbers
On an average day in 2021 the jail held about 35 people, down from about 85 in 2015. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Hunterdon County has about 132,000 residents (2024 Census Bureau estimate), so the jail holds about 3 people for every 10,000 residents.
Who Books People Into the Hunterdon County Jail
The Hunterdon County Sheriff's Office and the agencies that report for Flemington, Lambertville, High Bridge, Clinton, Clinton (township), Lebanon and two more cities make the arrests that end in a booking in Hunterdon County.
The FBI's agency list also places these agencies in Hunterdon County: Prosecutor in Hunterdon County (other agency); the Hunterdon County State Police (state police).
The largest arrest counts reported to the FBI were Readington Township's 237 for 2025, Clinton (township)'s 159 for 2025 and Flemington's 151 for 2025.
Together, the 14 agencies in Hunterdon County with all twelve months of 2025 on file reported 955 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Hunterdon County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Hunterdon County serves the sentence in a facility of the New Jersey Department of Corrections, whose inmate locator is at www20.state.nj.us/DOC_Inmate/inmatefinder?i=I.
Frequently Asked Questions
How do I find an inmate in Hunterdon County?
Ask the Hunterdon County Sheriff's Office at 908-788-1166; its jail page SearchSystems verified is at co.hunterdon.nj.us.
How many people are in the Hunterdon County jail?
About 35 on an average day in 2021, the latest year in the Vera Institute's jail data.
What is the phone number for the Hunterdon County jail?
908-788-1166, the number on the page of the Hunterdon County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Hunterdon County go?
To a facility of the New Jersey Department of Corrections; its inmate locator is at www20.state.nj.us/DOC_Inmate/inmatefinder?i=I.
Is this the official Hunterdon County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.