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.
Prince William County, Virginia, has about 497,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Prince William County is held at the county jail, run by the Prince William County Police Department, 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: Prince William County public records, Prince William County arrest records, Prince William County warrants, Prince William County criminal records, Prince William County court records, Virginia arrest records and Virginia inmate search.
Finding Someone in Custody in Prince William County
The county jail, run by the Prince William County Police Department, holds everyone kept in custody after an arrest in Prince William County, from every agency.
SearchSystems opened and checked the jail page of the Prince William County Police Department at pwcva.gov/department/adult-detention-center/inmate-records (page title: Inmate Records), phone (703) 792-4311, 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) 792-4311.
The Prince William County Jail by the Numbers
On an average day in 2025 the jail held about 520 people, down from about 820 in 2019. Its rated capacity in 2023, the last year with a capacity figure, was 1,176 beds, and it ran at 39 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Prince William County has about 497,000 residents (2024 Census Bureau estimate), so the jail holds about 10 people for every 10,000 residents.
Who Books People Into the Prince William County Jail
The Prince William County Police Department and the agencies that report for Dumfries, Haymarket, Occoquan and Quantico make the arrests that end in a booking in Prince William County.
The FBI's agency list also places one more agency in Prince William County: the Prince William County State Police (state police).
The largest arrest counts reported to the FBI were the Prince William County Police Department's 8,875 for 2025, Dumfries's 106 for 2025 and Occoquan's 41 for 2025.
Together, the four agencies in Prince William County with all twelve months of 2025 on file reported 9,036 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 Prince William County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Prince William County serves the sentence in a facility of the Virginia Department of Corrections, whose inmate locator is at vadoc.virginia.gov/family-and-friends.
Frequently Asked Questions
How do I find an inmate in Prince William County?
Ask the Prince William County Police Department at (703) 792-4311; its jail page SearchSystems verified is at pwcva.gov.
How many people are in the Prince William County jail?
About 520 on an average day in 2025, the latest year in the Vera Institute's jail data, against a rated capacity of 1,176 beds.
What is the phone number for the Prince William County jail?
(703) 792-4311, the number on the page of the Prince William County Police Department SearchSystems verified.
Where do people sentenced to prison in Prince William 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 Prince William 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.