Reviewed and updated October 11, 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 23, 2026 and October 11, 2026.
Calvert County, Maryland, has about 95,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Calvert County is held at the county jail, run by the Calvert 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 and common questions.
Related guides: Calvert County public records, Calvert County arrest records, Calvert County warrants, Calvert County criminal records, Calvert County court records, Maryland arrest records and Maryland inmate search.
Finding Someone in Custody in Calvert County
A person kept in custody after an arrest in Calvert County is held at the county jail, run by the Calvert County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Calvert County Sheriff's Office at calvertcountymd.gov/287/Commissary-and-Inmate-Phone-System (page title: Commissary and Inmate Phone System | Calvert County, MD), phone 410-535-3491, which answered when SearchSystems opened it on October 11, 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 410-535-3491.
The Calvert County Jail by the Numbers
On an average day in 2024 the jail held about 110 people, down from about 140 in 2019. Its rated capacity in 2023, the last year with a capacity figure, was 330 beds, and it ran at 33 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Calvert County has about 95,000 residents (2024 Census Bureau estimate), so the jail holds about 11 people for every 10,000 residents.
Who Books People Into the Calvert County Jail
The Calvert County Sheriff's Office makes the arrests that end in a booking in Calvert County.
The FBI's agency list also places one more agency in Calvert County: the Calvert County State Police (state police).
The Calvert County Sheriff's Office reported 1,789 arrests to the FBI for 2025. 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 Calvert County arrest records.
Frequently Asked Questions
How do I find an inmate in Calvert County?
Ask the Calvert County Sheriff's Office at 410-535-3491; its jail page SearchSystems verified is at calvertcountymd.gov.
How many people are in the Calvert County jail?
About 110 on an average day in 2024, the latest year in the Vera Institute's jail data, against a rated capacity of 330 beds.
What is the phone number for the Calvert County jail?
410-535-3491, the number on the page of the Calvert County Sheriff's Office SearchSystems verified.
Is this the official Calvert 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.