Fairfax County Inmate Population
The Fairfax County inmate population is centered at the Fairfax County Adult Detention Center, the county jail operated by the Fairfax County Sheriff's Office. The ADC holds adult men and women who are newly booked, awaiting trial, serving local sentences, waiting for transfer, or being processed for release. The county's separate Alternative Incarceration Branch holds eligible inmates in work-release and alternative-incarceration programs, but it does not operate as a public roster system.
The population count is not the same as a list of names. Official Fairfax sources report capacity, bookings, average daily population, sex breakdown, program outcomes, and budget trends. Individual custody status is handled through the ADC phone line, Virginia VINE, court portals, and records requests because the Sheriff does not publish a current inmate list online. That distinction matters for families, attorneys, and researchers. A jail population figure can show how full the facility is, while an inmate lookup must follow a named person through the correct custody channel.
Fairfax County Inmate Population Statistics
The Sheriff's official housing page and county budget materials provide the strongest Fairfax County inmate population figures. The ADC has a maximum capacity of 1,260 under Virginia Department of Corrections standards. Fairfax reported 16,305 bookings in FY 2024 and an average daily population of 666 for that year. The FY 2027 advertised budget material later reported that FY 2025 average daily population fell to 594.
| Measure | Figure | Source / year |
|---|---|---|
| ADC maximum capacity | 1,260 | Sheriff's ADC housing page, captured July 2026 |
| FY 2024 bookings | 16,305 | Sheriff's ADC housing page and FY 2024 annual report |
| FY 2024 average daily population | 666 | Sheriff's housing page, annual report, and budget |
| FY 2025 average daily population | 594 | Fairfax FY 2027 advertised budget public safety material |
| FY 2024 sex breakdown | 84% male, 16% female | Sheriff's housing page and FY 2024 annual report |
| FY 2024 education outcomes | 15 GED certificates, 6 high-school diplomas | Sheriff's housing page |
The Sheriff's ADC housing page is the source for the jail building history, capacity, housing styles, and recent population figures. The screenshot documents that official population context.
Those figures describe the Fairfax jail population as a whole. They do not replace a person-specific custody search.
Fairfax County Population Trends
Recent official figures show a rise from FY 2022 through FY 2024, followed by a drop in FY 2025. Fairfax budget tables reported an ADC average daily population of 589 in FY 2022, 659 in FY 2023, and 666 in FY 2024. The later FY 2027 advertised budget material reported FY 2025 average daily population at 594. That means Fairfax's jail count moved down after two years of growth.
| Year | ADP / population measure | Note |
|---|---|---|
| FY 2022 | 589 | Fairfax FY 2026 advertised budget performance table |
| FY 2023 | 659 | FY 2023 annual report and FY 2026 budget |
| FY 2024 | 666 | Sheriff's housing page, annual report, and budget |
| FY 2025 | 594 | FY 2027 advertised budget said ADP decreased from FY 2024 |
| FY 2026 estimate | 725 | Budget estimate, not an actual count |
Capacity pressure is more complex than a simple percentage. FY 2024 average occupancy was roughly half of the listed maximum capacity, but classification, medical needs, sex-separated housing, maximum-security housing, and special-needs units can still shape how many beds are usable on a given day.
Fairfax County Jail Demographics
Fairfax official materials publish some demographic and operational details, but not every category a reader might expect. FY 2024 materials show the ADC population was 84% male and 16% female. FY 2023 reports gave an average age of 35, a majority age range of 18 to 38, a 30% violent-offender share, and average lengths of stay of 31 days for males and 10 days for females. Race and ethnicity breakdowns, pretrial versus sentenced split, and felony versus misdemeanor custody breakdowns were not located in the official public sources reviewed.
- Sex breakdown: FY 2024 was reported as 84% male and 16% female.
- Age: FY 2023 average age was 35.
- Length of stay: FY 2023 averages were 31 days for males and 10 days for females.
- State transfers: FY 2023 annual reporting listed 168 state prisoners sent to VADOC.
Fairfax County Jail Record Laws
Virginia law controls many Fairfax County inmate population and jail-record access issues. The law does not require Fairfax to publish a live roster online, but it does define public-record request procedures, adult arrestee photograph access, jail standards, and expungement rules. Jail statistics also sit within state correctional oversight because local correctional facilities are subject to state standards and inspection authority.
Key Statutes:
Virginia Code § 2.2-3704 sets the basic Virginia FOIA request process, response rules, and cost rules.
Virginia Code § 2.2-3706 covers adult arrest identity, charge status, and adult arrestee photographs, subject to law-enforcement limits.
Virginia Code § 53.1-68 requires minimum standards and annual unannounced inspections for local correctional facilities.
6VAC15-40 contains Virginia's minimum standards for jails and lockups.
Fairfax County State Prison Custody
No Virginia Department of Corrections prison is located inside Fairfax County in the official VADOC facilities directory. Fairfax does have VADOC District 29 probation and parole, which serves Fairfax County, Fairfax City, Clifton, Herndon, and Vienna. After sentencing and transfer, a Fairfax defendant who becomes state-responsible is tracked through VADOC, not the county jail.
The VADOC Inmate and Supervisee Locator covers people in VADOC institutions and people under VADOC probation or parole supervision. VADOC money deposits use JPay and require the seven-digit VADOC ID from locator results. Fairfax ADC rules still apply to a state-responsible person while that person remains physically housed in the local jail awaiting transfer.
Search Fairfax County Inmate Population
The inmate lookup half of the Fairfax County inmate population search starts with the county jail but must not stop there. The Sheriff's Office has no public roster, recent-bookings page, or booking-photo gallery. Current local custody should be checked by calling the ADC and using Virginia VINE. Court records should be searched separately because formal charges, hearing dates, and dispositions belong to the courts, not the jail roster.
- Call the Fairfax County Adult Detention Center at 703-246-2100 with full name, date of birth, aliases, arrest date, case number, and arresting agency if known.
- Search Virginia VINE for custody status and release or transfer notifications.
- Search Fairfax Circuit Court eCaseSearch or Virginia General District Court Case Information for court charges after booking.
- Use VADOC if the person may have been sentenced to state custody or placed on state supervision.
- Use BOP or ICE only for federal or immigration custody, not Fairfax jail custody.
- Submit a Sheriff's FOIA request when a booking-related public record is needed.
Fairfax County Custody Lookup Fields
Fairfax's missing roster means the search fields are practical identifiers rather than web form labels. A caller should gather the person's full legal name, spelling variants, date of birth, arrest date, case number, and arresting agency. VINE may support name and custody searches, while VADOC and BOP have their own field sets. ICE requires either an A-number path or biographical data path.
| System | Search fields | Use when |
|---|---|---|
| Fairfax ADC phone | Name, DOB, aliases, arrest date, case number, agency | Current local jail custody is the question. |
| Virginia VINE | Name and custody jurisdiction where available | Custody notification or release alerts are needed. |
| VADOC | First name, last name, DOC ID, advanced search | The person may be sentenced or under supervision. |
| BOP | First, middle, last name, race, sex, age | The case is federal. |
| ICE ODLS | A-number/country or name/country/DOB | The person may be in ICE custody. |
The Virginia VINE portal is a key fallback when Fairfax County custody status is the concern and no roster result exists. It supports custody notification needs that a static roster cannot serve.
VINE should be paired with the ADC phone line for local confirmation and court portals for the formal charge record.
Fairfax County Inmate Record Contents
A public Fairfax County inmate record may be split across several offices. Jail staff may be able to confirm custody status by phone. VINE can show custody notification status. Court portals show case numbers, charges, hearing dates, and dispositions. A Sheriff's FOIA response may provide a public booking record or adult arrestee photograph when the law allows release. No official Fairfax roster profile exposes all fields in one public screen.
| Record item | Best Fairfax source |
|---|---|
| Custody status | ADC phone line and Virginia VINE |
| Formal charges | Fairfax court portals and court clerk records |
| Booking photo | Sheriff's FOIA request under Virginia law, subject to limits |
| Bond or release conditions | ADC, magistrate, court record, or bondsman channel |
| State custody location | VADOC locator after transfer or supervision entry |
| Federal custody location | BOP locator or U.S. Marshals Eastern District of Virginia |
Fairfax Jail vs State Prison
The Fairfax County inmate population includes local jail custody, but a person's records may move after sentencing. Pretrial detainees and many local sentenced inmates remain in the ADC. A person sentenced to state custody may wait locally for transfer, then appear in VADOC's locator after the state system receives and processes the person. Federal and immigration detainees follow still different systems.
| Fairfax county jail | Virginia state prison | |
|---|---|---|
| Who is held | Pretrial detainees, local sentences, transfer/release processing | Sentenced state prisoners and supervisees |
| Run by | Fairfax County Sheriff's Office | Virginia Department of Corrections |
| Where to look | ADC phone, VINE, Sheriff's FOIA | VADOC Inmate and Supervisee Locator |
| Mail and money rules | Smart Communications and Fairfax ADC rules | VADOC rules, including JPay for money |
Fairfax County Detention Facilities
The Fairfax facility map has two county-level entries. The Adult Detention Center is the secure jail. The Alternative Incarceration Branch is a work-release and alternative-incarceration program site for eligible inmates. Neither entry creates a public roster page.
- Fairfax County Adult Detention Center holds adult male and female county jail inmates, including pretrial detainees, local sentenced inmates, and people awaiting transfer or release processing.
- Fairfax County Alternative Incarceration Branch serves eligible inmates approved for work release, workforce, community labor, or other alternative-incarceration programs.
Fairfax County Jail Programs
Fairfax's inmate population materials include unusually specific program details. The Sheriff's reentry page describes education, GED work, Spanish GED and pre-GED, the Interagency Alternative School for eligible younger inmates with IEPs, skills development, religious services, library carts, resource fairs, STAR recovery, and peer support. FY 2024 outcomes included 15 GED certificates and 6 high-school diplomas. Those program details are part of the jail population story because they show how the ADC manages more than bed count.
The Sheriff's mental-health initiatives material says behavioral health issues affect about 40% of inmates and ties Fairfax to Diversion First, launched January 1, 2016, for low-level offenses involving mental illness or developmental disability. Classification and programming still depend on custody status, safety, medical needs, and court orders.
Fairfax County Inmate Population FAQ
How big is the Fairfax County inmate population?
Official Fairfax sources reported FY 2025 average daily population of 594 and FY 2024 average daily population of 666 at the Adult Detention Center. The jail's listed maximum capacity is 1,260 under Virginia Department of Corrections standards.
Does Fairfax County have a public jail roster?
No official public Fairfax County online jail roster was located on the Sheriff's Office website. Current custody checks should use the ADC phone line and Virginia VINE, with court portals and FOIA used for records that those channels do not provide.
Where are sentenced Fairfax inmates found?
Sentenced state prisoners are searched through VADOC after transfer or supervision entry. Fairfax County jail custody and VADOC custody are separate systems, even when the criminal case began in Fairfax.
Are Fairfax County mugshots online?
Fairfax does not publish an official booking-photo gallery. Adult arrestee photos may be requested under Virginia FOIA, subject to law-enforcement limits and other exemptions.