South Carolina has 84 prisons and jails: 1.7% of the US total of 4,960. That ranks #27 by count and #28 per person (1.53 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/south-carolina" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="South Carolina prisons and jails map — InstaMaps"></iframe>Beaufort County Detention Center · Ridgeland Correctional Institution · Jasper County Detention Center · FCI Estill · FCI Estill Camp · Sheriff Al Cannon Detention Center · Hampton County Jail · Colleton County Detention Center · Allendale Correctional Institution · Allendale County Jail · Dorchester County Detention Center · Lieber Correctional Institution
"South Carolina has 84 prisons and jails, #27 in the US by count and #28 per person (HIFLD Prison Boundaries, 2025, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.