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Marquette Branch Prison
State prisonCloseClosed 1971Under capacity (90%)LowHigh
Verified
Fresh · 2mo ago
Sources last reviewed on
Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.
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Marquette Branch Prison is a state prison located in Marquette County, Michigan. Rated capacity: 1,172. Reported population: 1,060. Security level: Close. Data sourced from the HIFLD Prison Boundaries open dataset.
Background
The Marquette Branch Prison (MBP) is located in Marquette, Michigan on the south shore of Lake Superior. The prison, which opened in 1889, is a facility of the Michigan Department of Corrections that holds about 1,100 inmates in maximum and minimum-security housing. The inmate population consists of adult males, aged eighteen and older. The prison was listed on the National Register of Historic Places as State House of Correction and Branch Prison on November 23, 1977. MBP was listed on the National Register of Historic Places in order to maintain its original buildings.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
1,172
Current population
1,060
Occupancy
90%
Year opened
1889
Closed 1971
Figures from official sources · verified 2 Jun 2026 · methodology
Facility profile
Population held
Mixed/unknown
Opened
1889
Region
Michigan
Security level
Close
Death-row facility
No
Conditions
No conditions summary available yet.
Visiting
No visiting information available.
Mailing
No mailing information available.
Practical info
Contact the operator's website for inmate-specific procedures.
Known issues
No major issues documented in our database.
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
0/100
Low concern0/100
- Overcrowding
- 0/30
- Oversight reports
- 0/30
- Structural flags
- 0/15
- Death signals
- 0/15
- Conditions text
- 0/10
This facility scores 0. The national average across 7,437 scored United States facilities is 2 — 2 points below national average.
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- Mat-Su PretrialPalmerCloseState prison100% occupancy
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- Florida State Prison - West UnitRaifordCloseState prison103% occupancy
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Compared to other facilities in United States
7436 peersOccupancythis: 90% · peers avg: 93% (3%)
Capacity (beds)this: 1172 · peers avg: 547 (+114%)
Data completeness
74%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- HIFLD Prison Boundaries
- HIFLD dataset query
- Wikipedia — Wikimedia Foundation
- HIFLD Prison Boundaries — US Department of Homeland Security â HIFLD Open Data
- Wikidata — Wikimedia Foundation
- USGS National Map structures — U.S. Geological Survey
- Wikidata (Q14716211)
- Wikipedia
- See /data-sources for our overall methodology.
Cite this page
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
APA
World Prisons. (2026). Marquette Branch Prison. Retrieved July 21, 2026, from https://worldprisons.com/prisons/marquette-branch-prison
Chicago
"Marquette Branch Prison." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/marquette-branch-prison.
BibTeX
@misc{worldprisons-marquette-branch-prison,
author = {{World Prisons}},
title = {Marquette Branch Prison},
year = {2026},
url = {https://worldprisons.com/prisons/marquette-branch-prison},
urldate = {2026-07-21}
}