New Hampshire has 18 prisons and jails: 0.4% of the US total of 4,960. That ranks #45 by count and #33 per person (1.28 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-hampshire" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="New Hampshire prisons and jails map — InstaMaps"></iframe>Cheshire County Department of Corrections · Hillsborough County Corrections Center · Calumet Transitional Housing Unit · Rockingham County Jail / House of Corrections · Shea Farm Transitional Housing Unit · Strafford County Correctional Center · Concord Transitional Work Center · North End Transitional Housing Unit / Work Center · Nh Correctional Facility for Women · Nh State Prison for Men · Sullivan County Department of Corrections · Merrimack County House of Corrections
"New Hampshire has 18 prisons and jails, #45 in the US by count and #33 per person (HIFLD Prison Boundaries, 2025, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.