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The Granite County Jail, located on Kearney St. in Philipsburg in Granite County, Montana, was built in 1896. It was added to the National Register of Historic Places in 1980. It is a red brick building which was still in use as a jail in 1980. It is two stories in one section, one story in another, and has a square tower about 45 feet (14 m) tall, with small projecting square turrets at its four corners, above the building's entry portico.
Source: Wikipedia article lead, CC-BY-SA.
Capacity
—
Current population
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Occupancy
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Year opened
1896
Operational
Figures from official sources · verified 28 May 2026 · methodology
Operator
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Population held
Mixed/unknown
Opened
1896
Region
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Security level
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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.
No public contact details available.
Derived signal — not a judgement. How it's calculated
Same country, matched on type + security level where possible.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Granite County Jail. Retrieved July 21, 2026, from https://worldprisons.com/prisons/granite-county-jail
"Granite County Jail." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/granite-county-jail.
@misc{worldprisons-granite-county-jail,
author = {{World Prisons}},
title = {Granite County Jail},
year = {2026},
url = {https://worldprisons.com/prisons/granite-county-jail},
urldate = {2026-07-21}
}