New Jersey has 41 prisons and jails: 0.8% of the US total of 4,960. That ranks #37 by count and #49 per person (0.43 per 100,000 residents) of 51.
Source: HIFLD Prison Boundaries (U.S. Department of Homeland Security), final release, 2025. Each facility at the centre of its boundary. The Prison Policy Initiative counts 5,077 facilities (2026); counts differ by which kinds of facility are included.
Licence: U.S. government data: no copyright, free to reuse
Local blogs, news sites, parks pages: embed the live interactive map with one snippet. Attribution stays on, that's the whole deal.
<iframe src="https://get-instamaps.com/embed/rankings/prisons-jails/new-jersey" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="New Jersey prisons and jails map — InstaMaps"></iframe>Cape May County Correctional Center · Southern State Correctional Facility · Bayside State Prison Farm · Bayside State Prison · FCI Fairton Camp · FCI Fairton · South Woods State Prison · Cumberland County Jail · Atlantic County Gerard L Gormley Justice Facility · Salem County Correctional Facility · Ancora Psychiatric Hospital - Holly Hall · Bayside State Prison - Ancora
"New Jersey has 41 prisons and jails, #37 in the US by count and #49 per person (HIFLD Prison Boundaries, 2025, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.