United States · New Jersey · Trenton
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New Jersey State Prison is a state prison located in Mercer County, New Jersey. Rated capacity: 1,819. Reported population: 1,587. Security level: Maximum. Data sourced from the HIFLD Prison Boundaries open dataset.
The New Jersey State Prison (NJSP), formerly known as Trenton State Prison, is a state men's prison in Trenton, New Jersey operated by the New Jersey Department of Corrections. It is the oldest prison in New Jersey and one of the oldest correctional facilities in the United States. It is the state's only completely maximum security institution, housing the most difficult and/or dangerous male offenders in the inmate population. NJSP operates two security units and provides a high level of custodial supervision and control. Professional treatment services, such as education and social work, are a priority at the facility.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,819
Current population
1,587
Occupancy
87%
Year opened
1832
Operational
Figures from official sources · verified 2 Jun 2026 · methodology
Population held
Mixed/unknown
Opened
1832
Region
New Jersey
Security level
Maximum
Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
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Joseph Vincent Moriarty (June 1910 â February 26, 1979), also known as Newsboy Moriarty, was an Irish American mobster in Hudson County, New Jersey who controlled the numbers game.
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Khalil Wheeler-Weaver (born April 20, 1996) is an American serial killer and arsonist.
Source: Wikidata + Wikipedia.
Derived signal — not a judgement. How it's calculated
What the score is responding to:
This facility scores 7. The national average across 7,437 scored United States facilities is 2 — 5 points above national average.
Same country, matched on type + security level where possible.
n solitary confinement, the kindness of one New Jersey corrections officer made him feel human. Tara Anand for The Marshall Project O ne winter day, sitting in the Big Yard of New Jersey State Prison, a close friend asked me a complicated question: “Do you hate cops more than anything?” I get questions like this a lot, not only because I write about the state of affairs at my facility, but
ive Voices, a blog where he shares his poetry and essays and the writings of other incarcerated people. He was convicted of double homicide in 2005 and is serving 150 years at the New Jersey State Prison. A spokesperson for the New Jersey Department of Corrections stated that solitary confinement is no longer used at New Jersey State Prison, and could not comment on the incident involving
ke the Enemy It doesn’t matter how American I feel. The labels applied to me are “foreign,” “terrorist,” “inmate” and “other.” I n late January, I was sitting in my cell in New Jersey State Prison listening to NPR when the news came across the airwaves: A Pakistani Supreme Court was releasing the men convicted of kidnapping and murdering Wall Street Journal reporter Daniel Pearl in February 2002,
m antics could have sparked a fight. But as a former “hard case” myself, I was determined to help him. W hen I became a teachers’ aide for a basic adult education class here at New Jersey State Prison, I learned much more than I ever expected. I had already been incarcerated for nearly 10 years by then, and, as a mid-sized White guy, I survived those years by staying mostly under the radar. Now I
ite and run away with his little girlfriend. Now, as a man in my 40s sentenced to life in prison, I think back to that puppet boy and I see myself. Sitting here in my cell at the New Jersey State Prison, where I’ve spent the last 15 years, it can be hard to find hope and humanity in a structure designed to take that away from you. I am the wooden boy in this prison, controlled by all sorts of
, which is the only women’s prison in the state, the average number of days spent in administrative segregation was 338. Long-term confinement is similarly the norm in the MCU at New Jersey State Prison in Trenton. All but one of the 34 people held in that unit – a form of long term confinement that advocates allege is used to discipline prisoners viewed as troublemakers or political leaders –
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Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). New Jersey State Prison. Retrieved July 21, 2026, from https://worldprisons.com/prisons/new-jersey-state-prison
"New Jersey State Prison." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/new-jersey-state-prison.
@misc{worldprisons-new-jersey-state-prison,
author = {{World Prisons}},
title = {New Jersey State Prison},
year = {2026},
url = {https://worldprisons.com/prisons/new-jersey-state-prison},
urldate = {2026-07-21}
}