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United States · Maine · Portland

Cumberland County Jail

County jailMaximummixedUnder capacity (68%)LowHigh
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How to send mail, money, and visit Cumberland County Jail

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Photograph of Cumberland County Jail
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Cumberland County Jail is a county jail located in Cumberland County, Maine. Rated capacity: 500. Reported population: 340. Security level: Maximum. Data sourced from the HIFLD Prison Boundaries open dataset.

Background

The Cumberland County Jail is located in Portland, Maine, and is the largest jail in the state. The jail, a division of the Cumberland County Sheriff's Office, is a part of Cumberland County government and is wholly operated by the elected Sheriff. In 2002 it became the first jail in the state of Maine to receive national accreditation from the American Correctional Association, at the time putting it among only 4% of adult correctional facilities in the US to have been so accredited. It has the capacity to accommodate 600 inmates, and employs over 200 staff (including 130 Corrections Officers). Most inmates are serving short sentences or awaiting trial.

Source: Wikipedia article lead, CC-BY-SA.

Capacity

500

Current population

340

Occupancy

68%

Year opened

1994

Operational

Figures from official sources · verified 6 Jul 2026 · methodology

Facility profile

Population held

mixed

Opened

1994

Region

Maine

Security level

Maximum

Death-row facility

No

Conditions

conditions of confinement at the Cumberland (CRIPA), 42 U.S.C. § 1997. We thank Warden Smith and the Cumberland County Jail staff for accommodating our investigation and providing access to the Jail’s facilities, staff, documents, conditions that we have reasonable cause to believe violate the Constitution of the United States. unconstitutional conditions of confinement.

Visiting

No visiting information available.

Mailing

See id. § 1997b(a). This letter and the attached report serve to notify you of the supporting facts options for resolving this matter amicably.

Practical info

adequate measures to prevent inmate suicides and provide adequate mental health care. These screening to identify inmates at risk of self-harm or in need of mental health care for a serious mental health condition; and (3) provide sufficient mental health care to inmates with a clear working with the County to address the violations of law we have identified. The lawyers

Known issues

[doj-cripa 2021-01-01 — Cumberland County Jail (New Jersey)] County Jail (the “Jail”), conducted under the Civil Rights of Institutionalized Persons Act (CRIPA), 42 U.S.C. § 1997. We thank Warden Smith and the Cumberland County Jail staff for Consistent with CRIPA’s statutory requirements, we provide this written notice of the conditions that we have reasonable cause to believe violate the Constitution of the United States. unconstitutional conditions of confinement.

Documented human-rights cases

Contact & address

36 County Way, Portland 04102

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

8/100
Low concern8/100
Overcrowding
0/30
Oversight reports
0/30
Structural flags
5/15
Death signals
0/15
Conditions text
3/10

What the score is responding to:

  • · Substantial documented known-issues record
  • · Severe-conditions keyword in sources

This facility scores 8. The national average across 7,437 scored United States facilities is 2 — 6 points above national average.

Related facilities

All in United States →

Same country, matched on type + security level where possible.

Compared to other facilities in United States

7436 peers
Occupancythis: 68% · peers avg: 93% (27%)
Capacity (beds)this: 500 · peers avg: 547 (9%)

Data completeness

92%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources

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). Cumberland County Jail. Retrieved October 23, 2026, from https://worldprisons.com/prisons/cumberland-county-jail
Chicago
"Cumberland County Jail." World Prisons. Accessed October 23, 2026. https://worldprisons.com/prisons/cumberland-county-jail.
BibTeX
@misc{worldprisons-cumberland-county-jail,
  author = {{World Prisons}},
  title = {Cumberland County Jail},
  year = {2026},
  url = {https://worldprisons.com/prisons/cumberland-county-jail},
  urldate = {2026-10-23}
}