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 between September 30, 2026 and October 2, 2026.
Waldo County, Maine, has about 41,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Waldo County is held at the county jail, run by the Waldo 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: Waldo County public records, Waldo County arrest records, Waldo County warrants, Waldo County criminal records, Waldo County court records, Maine arrest records and Maine inmate search.
Finding Someone in Custody in Waldo County
The county jail, run by the Waldo County Sheriff's Office, holds everyone kept in custody after an arrest in Waldo County, from every agency.
SearchSystems opened and checked the jail page of the Waldo County Sheriff's Office at waldocountyme.gov/176/Sheriffs-Office (page title: Sheriff’s Office | Waldo County, ME), phone 207-338-6786, Monday through Friday, 8:00 a.m. to 4:00 p.m., which answered when SearchSystems opened it on September 30, 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 207-338-6786.
The Waldo County Jail by the Numbers
On an average day in 2023 the jail held about 19 people, down from about 23 in 2019. Its rated capacity in 2023 was 36 beds, and it ran at 53 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Waldo County has about 41,000 residents (2024 Census Bureau estimate), so the jail holds about 5 people for every 10,000 residents.
Who Books People Into the Waldo County Jail
The Waldo County Sheriff's Office and the agency that reports for Belfast make the arrests that end in a booking in Waldo County.
The largest arrest counts reported to the FBI were the Waldo County Sheriff's Office's 187 for 2025, Belfast's 154 for 2025 and Searsport's 6 for 2023.
Together, the three agencies in Waldo County with all twelve months of 2025 on file reported 342 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 Waldo 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 Waldo County?
Ask the Waldo County Sheriff's Office at 207-338-6786; its jail page SearchSystems verified is at waldocountyme.gov/176/Sheriffs-Office.
How many people are in the Waldo County jail?
About 19 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 36 beds.
What is the phone number for the Waldo County jail?
207-338-6786, the number on the page of the Waldo County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Waldo 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 Waldo 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.