The Jefferson County Inmate Population
The Jefferson County inmate population is concentrated in one local facility, the Jefferson County Detention Center in Hillsboro. The facility is operated by the Jefferson County Sheriff's Office and holds county detainees, sentenced county correctional-facility prisoners, warrant and capias detainees, municipal commitments when accepted, and people waiting on release, bond, transport, or transfer. The sheriff's public roster marks current custody with an incarcerated release value, while the separate released page covers people released during the last 72 hours.
Not every Jefferson County arrest remains in the local inmate population. A person may leave the jail after bond, release on recognizance, dismissal, transfer to another county, transfer to the Missouri Department of Corrections, or movement into federal or immigration custody. That is why the Jefferson County inmate population must be read as a county jail count, not as a full count of every person with a Jefferson County case. State-sentenced prisoners are searched through Missouri Department of Corrections Offender Search, while federal sentenced prisoners are searched through the BOP Inmate Locator.
Jefferson County Inmate Population Statistics
The strongest local figures come from the Jefferson County Sheriff's Office 2024 Year-End Report and official sheriff history material. The report states that the jail division booked 6,691 prisoners in 2024, up from 5,323 in 2023, while the average inmate population fell to 226 in 2024 from 265 in 2023. Local history supports a renovated 334-bed jail capacity after the sheriff's office moved from the jail to the Justice Center and the jail was renovated.
| Measure | Figure | Source / Date |
|---|---|---|
| Average inmate population | 226 | Jefferson County Sheriff's Office 2024 Year-End Report |
| Renovated jail capacity | 334 beds | Official sheriff and local history sources, accessed June 2026 |
| Prisoners booked | 6,691 | 2024 Year-End Report |
| Meals served | 246,550 | 2024 Year-End Report |
| Prisoner transports | 3,729 | 2024 Year-End Report |
Jefferson County Jail Population Trends
The recent Jefferson County inmate population trend is mixed. Bookings rose in 2024, yet the average inmate population fell. That pattern can happen when more people are booked but spend less time in custody, when more releases occur before long jail stays, or when more sentenced people move out of the county system. The located official report gives the numbers but does not publish a full cause analysis, so the trend should not be tied to a single policy or court practice without a separate source.
| Year or Date | Count | Notes |
|---|---|---|
| 2023 | 265 ADP | Average inmate population in sheriff comparison table. |
| 2024 | 226 ADP | Down 15 percent from 2023 in the sheriff report. |
| June 20, 2026 | 176 current roster entries | Live sheriff roster API total inspected that date; value changes. |
| June 20, 2026 | 9 recent releases | Released-inmate API total for the 72-hour page; value changes. |
Jefferson County Jail Capacity
The best located capacity figure for the Jefferson County Detention Center is 334 beds. The sheriff's office overview describes the 1991 jail as a 110-bed correctional facility that was quickly outgrown. After the 2008 Justice Center move, renovation added jail housing space. Using 334 beds and the 2024 average inmate population of 226, the jail averaged about 68 percent of that capacity in 2024. Using the live roster total of 176 inspected on June 20, 2026, the jail was about 53 percent of that same bed figure at that moment.
Those percentages are dated calculations, not standing claims. The roster count changes as people are booked, released, sentenced, or transferred. The research did not locate an official Jefferson County demographic dashboard, formal average length-of-stay report, felony and misdemeanor split, or held-for-other-agencies count. The public roster does expose sex, race, year of birth, booking date, charge status, and case data at the record level, but it does not publish a summary table that supports broad demographic percentages.
Laws on Jefferson County Jail Records
Missouri law explains why many Jefferson County inmate population records are public while still protecting investigative, juvenile, sealed, and safety-sensitive information. The public path starts with the roster and the sheriff's records process. If a report copy is needed, the Jefferson County Sheriff's Office records page requires valid photo ID, a minimum $5 report copy fee, and a 10 to 14 business-day approval and release window. Sunshine Law requests can be routed to the sheriff's custodian of records.
Key Statutes:
RSMo 610.010 defines public records and public governmental bodies under Missouri Sunshine Law.
RSMo 610.100 makes incident and arrest reports open records while keeping investigative reports closed until inactive unless an exception applies.
RSMo 221.020 places custody, rule, keeping, and charge of county jails and prisoners with the sheriff.
Missouri DPS Death in Custody Reporting Act material describes state collection and quarterly federal reporting for deaths in custody.
Jefferson County State Prison Search
No Missouri Department of Corrections adult institution was identified inside Jefferson County in the official facility list checked for the research. That does not mean Jefferson County cases never enter state custody. Once a person is sentenced to prison or placed on state supervision, the controlling search channel is MODOC Offender Search, not the sheriff's jail roster. MODOC states that its search covers active offenders, including probationers and parolees, and searches first and last names, including aliases. It does not provide discharged-offender information, and some records may be unavailable for safety, security, or confidentiality reasons.
| System | Who It Covers | Where to Search |
|---|---|---|
| Jefferson County jail roster | Current local jail custody and recent releases | Sheriff inmate search |
| Missouri Department of Corrections | Active state prisoners, probationers, and parolees | MODOC Offender Search |
| Federal Bureau of Prisons | Federal sentenced prisoners and historical federal custody after 1982 | BOP Inmate Locator |
| ICE | Immigration detention | ICE Online Detainee Locator System |
Search the Jefferson County Inmate Population
The current county custody search is the Jefferson County Sheriff Inmate Search. The sheriff page states that it shows in-custody inmates, booking dates, charges, and added profile information, and that inmates are sorted by booking date. The page also links to the 72-hour released-inmates list and to Missouri VINE for custody status and notifications. The roster should be the first stop for a person arrested by the sheriff's office or a municipal police department in the county when the case is still at the jail stage.
- Open the sheriff's inmate search and confirm that it is the current in-custody roster.
- Use the visible Filter by Name field to type a first or last name.
- Open the matching booking card to reach the inmate profile.
- Review the profile for mugshot status, booked date, charges, case number, next court date, bond display, and release status.
- If no current match appears, check the 72-hour release page, Missouri VINE, MODOC, BOP, ICE, or the sheriff records process.
Jefferson County Roster Search Fields
The Jefferson County roster is simple. It does not publish a multi-field public form with a separate facility, charge, booking-date, or agency filter. The visible search control is a name filter that narrows booking cards as text is entered. Behind the public page, the sheriff roster API uses pagination and profile ID values, but those are page mechanics rather than fields a normal reader must fill in.
| Field Label | Type | Required | Notes |
|---|---|---|---|
| Filter by Name | Text input | No | Filters inmate cards by name on the sheriff page. |
| Released page limit | API parameter | No | The released page uses a limit parameter in page source. |
| Page offset or limit | API pagination | No | The current roster API returns offset, limit, total, and page offsets. |
| Inmate ID | URL or API parameter | Yes for profile | Profile pages use inmate.php?id= and a matching booking API ID. |
The official Jefferson County inmate search page is shown in the roster screenshot captured for this build.
The screenshot matches the research finding that the roster uses a name filter, current booking cards, a released-inmates link, and a Missouri VINE notice.
What Jefferson County Inmate Records Show
A Jefferson County inmate record is a jail profile, not a full court file. The profile can show a booking photo when a photo file exists, a no-image placeholder when it does not, name, sex, race, year of birth, booked date and time, release status or release date, charges, case number, next court date, status, and a bond amount when the total bond is greater than zero. The profile also includes action links for Access Corrections web deposit and IC Solutions phone cards.
| Field | What It Shows |
|---|---|
| ID | Internal roster identifier used in the profile URL and API. |
| Mugshot / Pic | Booking photo file if available, or a no-image placeholder. |
| Year of birth | Year only in the inspected roster data, not full date of birth. |
| Charges | Charge table with charge text, case number, next court date, and status. |
| Bond amount | Total bond amount shown only when greater than zero. |
| Not shown | Housing unit, height, weight, full DOB, fingerprints, and detailed court minutes were not visible in the public profile template. |
Jefferson County Released Inmate Records
The sheriff's released-inmate page lists people released during the last 72 hours. That page is useful when a person was just on the Jefferson County inmate population roster but no longer appears in current custody. It does not function as a long-term archive. Older jail, arrest, or incident records should be handled through the sheriff's records process or a Sunshine Law request. For filed criminal cases, use Missouri Case.net after the prosecutor has filed charges.
The sheriff records page says a requester needs valid photo ID, a minimum report-copy fee, exact change or check, and credit cards only at main headquarters. Report approval and release can take 10 to 14 business days. Suspects listed in a report cannot receive it through the ordinary channel and must use an attorney subpoena. Juvenile suspect reports are not released through the normal records path.
Jefferson County Booking to Court
Jail booking and court filing are linked but separate. After arrest, intake creates the jail record and the person may appear on the sheriff roster. The roster may list charge text, a case number, a next court date column, status, and bond amount. The court case begins after prosecutor review and filing. Jefferson County Municipal Court states that a case appears in Show-Me Courts or Case.net once the prosecutor has reviewed and filed the charges.
Arrest -> Booking -> Prosecutor review -> Case.net filing -> Hearings, bond orders, disposition, sentence, dismissal, or transfer.
Jefferson County Detention Facilities
The facility map resolves to one local detention-facility page. No state prison, BOP institution, ICE detention center, county work-release building, or county annex was located inside Jefferson County in the official facility lists checked. Municipal arrests from Arnold, Festus, Pevely, Crystal City, Byrnes Mill, and other cities may still route to the county detention center or later to Case.net, MODOC, BOP, ICE, or VINE depending on custody stage.
- Jefferson County Detention Center - sheriff-operated county detention in Hillsboro for pretrial detainees, sentenced county prisoners, warrant detainees, municipal commitments when accepted, and people awaiting release or transfer.
Jefferson County Inmate Population FAQ
How large is the Jefferson County inmate population? The 2024 sheriff year-end report gives a 226 average inmate population for 2024. The live roster API inspected on June 20, 2026, showed 176 current entries, but that number changes with bookings and releases.
How do I search the Jefferson County inmate population? Start with the sheriff's current inmate search, use the name filter, open the profile, then check the 72-hour released page if the person is no longer in custody.
What if the person is not in the county jail? Use MODOC for active state custody or supervision, BOP for federal sentenced custody, ICE for immigration detention, and Missouri VINE for custody notification.
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