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 23, 2026.
Loudoun County, Virginia, has about 443,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Loudoun County is held at the county jail, run by the Loudoun 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: Loudoun County public records, Loudoun County arrest records, Loudoun County warrants, Loudoun County police reports, Loudoun County property records, Virginia arrest records and Virginia inmate search.
Finding Someone in Custody in Loudoun County
A person kept in custody after an arrest in Loudoun County is held at the county jail, run by the Loudoun County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Loudoun County Sheriff's Office at sheriff.loudoun.gov (page title: Sheriff | Loudoun County, VA), phone 703-777-1021, which answered when SearchSystems opened it on September 23, 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 703-777-1021.
The Loudoun County Jail by the Numbers
On an average day in 2025 the jail held about 280 people, down from about 390 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 476 beds, and it ran at 83 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Loudoun County has about 443,000 residents (2024 Census Bureau estimate), so the jail holds about 6 people for every 10,000 residents.
Who Books People Into the Loudoun County Jail
The Loudoun County Sheriff's Office and the agencies that report for Leesburg, Purcellville and Middleburg make the arrests that end in a booking in Loudoun County.
The FBI's agency list also places one more agency in Loudoun County: the Loudoun County State Police (state police).
The largest arrest counts reported to the FBI were the Loudoun County Sheriff's Office's 4,385 for 2025, Leesburg's 779 for 2025 and Purcellville's 46 for 2025.
Together, the three agencies in Loudoun County with all twelve months of 2025 on file reported 5,210 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 Loudoun 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 Virginia Department of Corrections lists its inmates at vadoc.virginia.gov/family-and-friends.
Frequently Asked Questions
How do I find an inmate in Loudoun County?
Ask the Loudoun County Sheriff's Office at 703-777-1021; its jail page SearchSystems verified is at sheriff.loudoun.gov.
How many people are in the Loudoun County jail?
About 280 on an average day in 2025, the latest year in the Vera Institute's jail data, against a rated capacity of 476 beds.
What is the phone number for the Loudoun County jail?
703-777-1021, the number on the page of the Loudoun County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Loudoun County go?
To a facility of the Virginia Department of Corrections; its inmate locator is at vadoc.virginia.gov/family-and-friends.
Is this the official Loudoun 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.