Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 24, 2026.
Aroostook County, Maine, has about 67,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Aroostook County is held at the county jail, run by the Aroostook County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Aroostook County public records, Aroostook County arrest records, Aroostook County warrants, Aroostook County criminal records, Aroostook County court records, Maine arrest records and Maine inmate search.
Finding Someone in Custody in Aroostook County
The county jail, run by the Aroostook County Sheriff's Office, holds everyone kept in custody after an arrest in Aroostook County, from every agency.
SearchSystems opened and checked the jail page of the Aroostook County Sheriff's Office at aroostook.me.us/departments/sheriff (page title: Sheriff | Aroostook County Maine), phone 207-532-3471, 25 School St, Ste 216 Houlton, ME 04730, which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at 207-532-3471.
The Aroostook County Jail by the Numbers
On an average day in 2023 the jail held about 120 people, up from about 110 in 2018. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Aroostook County has about 67,000 residents (2024 Census Bureau estimate), so the jail holds about 17 people for every 10,000 residents.
Who Books People Into the Aroostook County Jail
The Aroostook County Sheriff's Office and the agencies that report for Presque Isle and Caribou make the arrests that end in a booking in Aroostook County.
The largest arrest counts reported to the FBI were Presque Isle's 389 for 2025, Houlton's 276 for 2025 and Caribou's 218 for 2025.
Together, the eight agencies in Aroostook County with all twelve months of 2025 on file reported 1,336 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Aroostook County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Maine Department of Corrections lists its inmates at apps1.web.maine.gov/online/correctionssearch.
Frequently Asked Questions
How do I find an inmate in Aroostook County?
Ask the Aroostook County Sheriff's Office at 207-532-3471; its jail page SearchSystems verified is at aroostook.me.us/departments/sheriff.
How many people are in the Aroostook County jail?
About 120 on an average day in 2023, the latest year in the Vera Institute's jail data.
What is the phone number for the Aroostook County jail?
207-532-3471, the number on the page of the Aroostook County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Aroostook County go?
To a facility of the Maine Department of Corrections; its inmate locator is at apps1.web.maine.gov/online/correctionssearch.
Is this the official Aroostook County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.