United States · MI · Ionia
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Michigan Reformatory is a state prison located in Ionia County, Michigan. Rated capacity: 1,337. Reported population: 1,193. Security level: Close. Data sourced from the HIFLD Prison Boundaries open dataset.
Capacity
1,388
Current population
1,193
Occupancy
86%
Year opened
2007
Closed 2022
Figures from official sources · verified 16 Jun 2026 · methodology
Population held
male
Opened
2007
Region
MI
Security level
Medium
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.
Derived signal — not a judgement. How it's calculated
What the score is responding to:
This facility scores 1. The national average across 7,437 scored United States facilities is 2 — 1 points below national average.
Same country, matched on type + security level where possible.
ait it out” and “Buy another fan, bro.” Tracy J. Lee for The Marshall Project After four long years at a supermax facility in Baraga County, Michigan , I am now housed at the Michigan Reformatory or RMI, a less restrictive multi-level prison in Ionia County. My unit, one of nine “close security” cellblocks at RMI, consists of 96 shabby cells lying end to end. When you look through the bars, you
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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). Michigan Reformatory. Retrieved July 21, 2026, from https://worldprisons.com/prisons/michigan-reformatory
"Michigan Reformatory." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/michigan-reformatory.
@misc{worldprisons-michigan-reformatory,
author = {{World Prisons}},
title = {Michigan Reformatory},
year = {2026},
url = {https://worldprisons.com/prisons/michigan-reformatory},
urldate = {2026-07-21}
}