San Joaquin County Inmate Population Overview
The San Joaquin County inmate population is split across two different custody systems. The San Joaquin County Sheriff's Office runs the local jail system from the French Camp campus, including the John Zunino Jail Complex, South Jail, Jail Core, Honor Farm, and related intake and population-management functions. That local jail population includes pretrial detainees, people booked on warrants, people serving county jail terms, and people waiting for court hearings or transfer. The Sheriff is Patrick Withrow, and the custody division is the local source for jail information, jail programs, custody records, and public booking data.
Sentenced state-prison custody is separate. California Health Care Facility, Stockton is physically in San Joaquin County, but it is a California Department of Corrections and Rehabilitation facility, not a county jail. People held there are searched through CDCR CIRIS, not the county Who is in Custody portal. That distinction matters because a person may begin in San Joaquin County jail custody, appear in San Joaquin Superior Court, and later leave the San Joaquin County inmate population tracked by the jail roster after a state prison sentence.
The Sheriff's custody page identifies the local jail capacity, custody command, programs, and the public Who is in Custody link. The screenshot below shows the custody division source used for the county jail side of the San Joaquin County inmate population.
Use that county custody source for jail operations, but use CDCR sources for state-prison population data and state-prison inmate lookup.
San Joaquin County Inmate Population Statistics
The strongest local count comes from the Board of State and Community Corrections Jail Profile Survey and rated-capacity materials. The latest monthly San Joaquin Sheriff's Department JPS figure captured in the research was 1,169 average daily population for December 2025, with 1,392 bookings that month. For the full 2025 year, BSCC monthly data averaged 1,231 ADP and summed to 18,305 bookings. The Sheriff custody page gives 1,550 as the BSCC-rated jail capacity, while the newer BSCC rated-capacity workbook lists 1,818 beds across John J. Zunino Facility, Honor Farm, and San Joaquin Detention and Program Facility.
| Measure | Figure | Source and Date |
|---|---|---|
| Latest county jail ADP | 1,169 | BSCC JPS monthly query, December 2025 |
| Latest monthly bookings | 1,392 | BSCC JPS monthly query, December 2025 |
| 2025 average ADP | 1,231 | BSCC JPS monthly data averaged for 2025 |
| 2025 annual bookings | 18,305 | BSCC JPS monthly data summed for 2025 |
| Sheriff-published rated capacity | 1,550 | Sheriff Custody Division page, inspected May 31, 2026 |
| BSCC listed local adult detention beds | 1,818 | BSCC rated-capacity workbook, updated April 24, 2026 |
| CHCF state-prison population | 2,396 | CDCR weekly TPOP report, May 27, 2026 |
The BSCC Jail Profile Survey query is the state source for monthly San Joaquin County jail population and booking figures.
BSCC notes that JPS data are reported by local agencies, reviewed by BSCC, and not audited, so the figures should be read as official reported jail statistics rather than a real-time head count.
San Joaquin County Inmate Population Trends
The San Joaquin County inmate population trend is not a straight line. BSCC JPS data show county jail ADP falling from 1,318 in 2020 to 1,231 in 2025, while bookings rose from 17,645 to 18,305 over the same span. The 2022 Vera profile, which reported 1,260 average daily jail population and 18,175 jail admissions, fits near the middle of that pattern. Population pressure can shift with booking volume, bail decisions, court calendars, transfers to CDCR, and the use of county programs or alternative custody.
| Year or Date | ADP or Population | Bookings | Notes |
|---|---|---|---|
| 2020 | 1,318 | 17,645 | BSCC JPS annualized San Joaquin Sheriff's Department data |
| 2021 | 1,296 | 17,541 | BSCC JPS, felony ADP 1,210 and misdemeanor ADP 86 |
| 2022 | 1,260 | 18,175 | BSCC JPS and Vera county profile |
| 2023 | 1,238 | 17,361 | BSCC JPS, male ADP 1,104 and female ADP 134 |
| 2024 | 1,286 | 18,032 | BSCC JPS, male ADP 1,142 and female ADP 144 |
| 2025 | 1,231 | 18,305 | BSCC JPS, felony ADP 1,160 and misdemeanor ADP 72 |
| May 27, 2026 | CHCF 2,396 | n/a | CDCR TPOP, state-prison medical facility in Stockton |
Against the Sheriff's 1,550 capacity figure, the December 2025 ADP was about three quarters of capacity. Against the later 1,818-bed BSCC workbook total, it was closer to two thirds. The sources measure different facility sets and timing, so both figures should be kept in view.
San Joaquin County Jail Population Makeup
The San Joaquin County jail population is heavily felony and heavily nonsentenced in the latest BSCC data captured. December 2025 showed 1,105 felony ADP and 64 misdemeanor ADP. The same month showed 945 nonsentenced ADP and 224 sentenced ADP. That supports the practical search rule: the county jail roster is mainly a pretrial and local-custody tool, while state-prison lookup belongs to CDCR after conviction and sentencing.
- Felony share: BSCC reported 1,105 felony ADP in December 2025, far above the misdemeanor ADP of 64.
- Nonsentenced status: BSCC reported 945 nonsentenced ADP in December 2025, compared with 224 sentenced ADP.
- Sex breakdown: The 2025 annual averages were 1,100 male ADP and 131 female ADP.
- Race and age: No official San Joaquin-specific race or age-band table was captured in the research file.
California Health Care Facility should not be blended into county jail demographics. CHCF holds sentenced CDCR incarcerated patients with severe medical or mental-health needs. Its May 2026 CDCR population was 2,396, with 2,953 design and staffed capacity.
Laws Governing San Joaquin County Jail Data
California law explains why some jail information is public and why other records are limited. Public arrest facts, jail profile data, capacity standards, and death-in-custody notices come from different legal duties. A San Joaquin County inmate population search should be read with those limits in mind, because the public roster is not the same as a full criminal history file or an official court case copy.
Key Statutes:
Government Code 7923.610 requires public release of specified arrest and booking facts unless disclosure would endanger safety or an investigation.
California Public Records Act provisions make nonexempt public records open to inspection during agency office hours.
Penal Code 6030 authorizes BSCC minimum standards for local correctional facilities.
Penal Code 10008 requires custodial agencies to post specified in-custody death information.
Penal Code 13300 is another important limit. It restricts local summary criminal history dissemination to authorized users and conditions. That means a public jail roster can show booking facts, charges, bail, housing, and court dates while still withholding full criminal-history data.
Search San Joaquin County Inmate Population
The official current-custody tool is San Joaquin County's Who is in Custody portal, often shortened as WIC. WIC covers San Joaquin County jail custody and recent booking or release records. It is the first source for a person booked into the local jail, held on a local warrant, awaiting court, serving a county jail term, or assigned to a county housing location such as CORE, SOUTH, or Honor Farm. If a person does not appear, the jail information line, Records Division, VINELink, CDCR CIRIS, BOP, and ICE locators create the fallback chain.
- Open the county WIC portal and choose the Who's In Custody search route.
- Search by last name first, then narrow with first name, middle name, or gender when needed.
- Use Search By Number if a seven-digit booking number or booking-number segment is known.
- Use List Inmates By Last Name when spelling is uncertain, or Booking Log for recent entries.
- Open the detail record for charges, bail, court, warrants, housing, and release fields.
- If the person is not listed, call (209) 468-4562 or check the state, federal, or immigration locator that matches the custody status.
The WIC landing page is the official county entry point for current custody and booking-log searches.
The WIC disclaimer warns that data can be inaccurate or incomplete and should not be used for legal action without verification.
San Joaquin County Roster Search Fields
WIC offers more than a simple name lookup. Search By Name accepts first, middle, and last names with gender filtering. Search By Number uses a booking number, which can be more precise when names are common. List By Last Name or last initial helps when spelling is uncertain, and Booking Log routes filter very recent bookings by time range.
| Field Label | Type | Required | Notes |
|---|---|---|---|
| First Name | Text | Optional | Can be blank in the API parameter. |
| Middle Name | Text | Optional | Useful for common names. |
| Last Name | Text | Practically needed | The main name-search field. |
| Gender | Dropdown or radio | Optional | Supports blank or all, plus male and female behavior. |
| Booking Number | Text | Required for number route | Sample primary booking numbers use seven digits. |
| Last Initial | Text or list | Required for last-initial route | Used for broader browsing by letter. |
| Booking Log Filter | Route menu | Required for log route | Past 1, 2, 6, 12, or 24 hours. |
San Joaquin County Inmate Record Fields
A San Joaquin County inmate record can show both identity fields and case-linked custody fields. The inspected WIC detail record included name, aliases, DOB, gender, booking number, booking time, height, weight, arrest type, arresting agency, charges, bail, warrants, next court date, court location, department, housing or visiting location, inmate number, and release fields when applicable. No mugshot, photograph, image, or thumbnail field was observed in the inspected WIC API detail.
| Field | What It Shows |
|---|---|
| Booking number | Local jail booking number, with decimal sub-arrests possible in some records. |
| Date in and booking time | When the person entered custody or was booked. |
| Charges and crimes | Statute code, section, code type, count, and description. |
| Bail | Per-arrest bail, overall bail, and no-bail flags. |
| Court | Next court date, court location, and department. |
| Warrants | Warrant number and related case number if returned. |
| Housing or visiting | Public location value such as CORE or SOUTH. |
San Joaquin County Custody Lookup Channels
The access channel must match the custody type. A county jail booking belongs in WIC. A sentenced state prisoner belongs in CDCR CIRIS. A person in federal prison belongs in the BOP locator. Immigration detention belongs in ICE ODLS. VINELink is useful for notification and custody-status monitoring, but it does not replace the source agency record.
| Custody Type | Correct Search Channel | San Joaquin County Use |
|---|---|---|
| Current county jail custody | WIC and jail information line | Pretrial, warrants, local holds, county sentences |
| Released or older jail record | Sheriff Records Division | Public-records request, ID required for some reports |
| Sentenced state prison | CDCR CIRIS | CHCF and other CDCR facilities |
| Victim notification | VINELink California | Search and notification registration |
| Federal prison | BOP inmate locator | No confirmed active BOP facility in the county |
| Immigration detention | ICE ODLS | No confirmed active ICE facility in the county |
The SanJoaquinCo Sheriff mobile app is a tips, crime-alert, crime-map, web, and social-content app. Store listings did not identify an inmate roster, warrant search, or public-records request tool inside the app.
San Joaquin County Detention Facilities
San Joaquin County custody is easier to search when each facility is separated by operator and purpose. Three facilities belong to the Sheriff's county-custody system, and one is a CDCR state prison. No active BOP or ICE detention facility was confirmed inside the county during the research sweep.
| Facility | Operator | Who Is Held |
|---|---|---|
| San Joaquin County Jail | San Joaquin County Sheriff's Office | Pretrial detainees, warrants, county sentences, local holds, court-pending inmates |
| San Joaquin County Honor Farm | San Joaquin County Sheriff's Office | Lower-security county inmates assigned to work, recreation, education, and program settings |
| Dorothy J. Heisler Detention and Program Facility | San Joaquin County Sheriff's Office | Local adult detention and program population tied to the French Camp custody campus |
| California Health Care Facility, Stockton | CDCR | Sentenced state prisoners with severe and long-term medical or mental-health needs |
Use WIC for the three county facilities unless the Sheriff's Office publishes a later facility-specific roster. Use CIRIS for California Health Care Facility, Stockton.
San Joaquin County Inmate Population FAQ
How large is the San Joaquin County inmate population? The latest monthly BSCC figure captured was 1,169 county jail ADP in December 2025. The 2025 annual average was 1,231 ADP, and annual bookings totaled 18,305.
Where does a current jail search start? Start with WIC, then call (209) 468-4562 if the person does not appear or if a new booking may not be posted yet.
Does WIC cover state prisoners? No. Sentenced CDCR prisoners, including people at California Health Care Facility, Stockton, are searched through CIRIS.
Are mugshots part of the county inmate population search? No official WIC mugshot field was observed in the sample detail, and no official Sheriff mugshot gallery was found.