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 23, 2026 and October 9, 2026.
Charles County, Maryland, has about 174,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Charles County is held at the county jail, run by the Charles 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: Charles County public records, Charles County arrest records, Charles County warrants, Charles County criminal records, Charles County court records, Maryland arrest records and Maryland inmate search.
Finding Someone in Custody in Charles County
A person kept in custody after an arrest in Charles County is held at the county jail, run by the Charles County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Charles County Sheriff's Office at ccso.us/about (page title: About | Charles County Sheriff's Office), phone 301-609-6249, 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 301-609-6249.
The Charles County Jail by the Numbers
On an average day in 2024 the jail held about 220 people, down from about 260 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 422 beds, and it ran at 61 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Charles County has about 174,000 residents (2024 Census Bureau estimate), so the jail holds about 13 people for every 10,000 residents.
Who Books People Into the Charles County Jail
The Charles County Sheriff's Office and the agency that reports for La Plata make the arrests that end in a booking in Charles County.
The FBI's agency list also places one more agency in Charles County: the Charles County State Police (state police).
The largest arrest counts reported to the FBI were the Charles County Sheriff's Office's 1,482 for 2025 and La Plata's 114 for 2025.
Together, the two agencies in Charles County with all twelve months of 2025 on file reported 1,596 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 Charles County arrest records.
Frequently Asked Questions
How do I find an inmate in Charles County?
Ask the Charles County Sheriff's Office at 301-609-6249; its jail page SearchSystems verified is at ccso.us/about.
How many people are in the Charles County jail?
About 220 on an average day in 2024, the latest year in the Vera Institute's jail data, against a rated capacity of 422 beds.
What is the phone number for the Charles County jail?
301-609-6249, the number on the page of the Charles County Sheriff's Office SearchSystems verified.
Is this the official Charles 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.