Jefferson County Detention Center Overview
The Jefferson County Detention Center, also called the Jefferson County Jail in sheriff materials, is operated by the Jefferson County Sheriff's Office. It serves as the local county detention facility in Hillsboro. The facility holds people booked after sheriff or municipal police arrests, people held on warrants or capias entries, sentenced county correctional-facility detainees, and people waiting for court, bond, transfer, or release. Sheriff Dave Marshak leads the Jefferson County Sheriff's Office, which describes the county as covering a large rural and suburban service area south of St. Louis County.
The detention center's current role is tied to the Justice Center campus. The sheriff office overview says the county jail was built in 1991 with a 110-bed correctional facility that was quickly outgrown. After the sheriff's office moved into the Justice Center in 2008, jail space was renovated and expanded. Local official history supports a renovated housing figure of 334 beds. The public roster inspected for research is dynamic, so a live custody count can change throughout the day.
The official Jefferson County inmate search is the correct lookup channel for current county custody. It is separate from MODOC Offender Search for state-sentenced prisoners, the BOP locator for federal prisoners, and ICE's locator for immigration custody.
Jefferson County Detention Center Population
The strongest current statistics come from the Jefferson County Sheriff's Office 2024 Year-End Report and the sheriff roster data captured during research. The report lists 6,691 prisoners booked in 2024, up from 5,323 in 2023. It also lists a 2024 average inmate population of 226, down from 265 in 2023. Using the 334-bed renovated capacity figure, the 2024 average was about 68 percent of that capacity. That percentage is a dated calculation, not a fixed occupancy rate.
| Measure | Figure | Source Detail |
|---|---|---|
| Renovated capacity | 334 beds | Official local history and sheriff overview material |
| Original 1991 jail size | 110 beds | Sheriff office overview |
| 2024 average inmate population | 226 | 2024 sheriff year-end report |
| 2023 average inmate population | 265 | 2024 sheriff year-end comparison |
| Current roster total on June 20, 2026 | 176 | Public roster API, live value changes |
Search Jefferson County Detention Center Inmates
Current custody at the Jefferson County Detention Center is searched through the sheriff roster. The roster is free, requires no login, and is sorted by booking date. It has a visible name filter and profile links. A profile can show mugshot or no-image placeholder, name, sex, race, year of birth, booked date and time, release date or incarcerated status, charge table, case number, next court date column, status, and bond amount when greater than zero.
- Open the Jefferson County Sheriff's Office inmate search and confirm it is the current custody roster.
- Type a first or last name in the Filter by Name field to narrow the booking cards.
- Open the inmate card to review the profile, charge table, bond display, and action buttons.
- Check the released-inmates page if the person may have left jail in the last 72 hours.
- Use MODOC, BOP, ICE, or Missouri VINE if the person is not in county custody.
The roster screenshot comes from the Jefferson County Sheriff inmate-search page, which includes the name filter, current custody cards, released-inmate link, VINE notice, and jail phone reference.
For a fuller custody walkthrough, the Jefferson County jail roster process is covered on the jail inmate records page. The key facility point is that the sheriff roster covers county jail custody, not all state, federal, or immigration custody.
Jefferson County Detention Center Contact
The detainee mail and facility address is 510 First Street in Hillsboro. The sheriff and Justice Center public address is 400 First Street, also in Hillsboro. Use the jail phone for custody, bond, visitation, and facility questions. Use the sheriff main number or records contacts for report copies, Sunshine Law routing, or records status. Visitors should confirm schedule and restrictions before traveling because jail privileges can be restricted for security or misconduct.
Jefferson County Detention Center
510 First Street
Hillsboro, MO 63050
636-797-5081
Jail information and facility questions
Jefferson County Sheriff's Office
400 First Street, Justice Center
Hillsboro, MO 63050
636-797-5000
Records status: 636-797-5018
Jefferson County Detention Center Visitation
Jefferson County uses The Visitor video visitation system through ICSolutions. The sheriff page says all adult visitors must register at no cost. Visits may be onsite at video terminals in the facility visitation center or offsite by computer, Android device, or iOS device. Video visitation replaces traditional face-to-face glass-partition visiting, so the detained person remains in the housing unit while the visitor connects through the system.
The schedule runs seven days a week, but there are blocked times. Visitors must be at least 18 unless a parent or legal guardian is present. Appropriate attire is required, and conduct involving nudity, sexual activity, criminal acts, drugs, alcohol, or jail security problems can end or suspend visits. Attorney visits require advance scheduling, attorney photo ID may be requested, and no contact visits occur without court order and prior approval.
| Visit Type | Schedule or Rule | Detail |
|---|---|---|
| Onsite video | 7 AM-9 PM Monday-Sunday | Facility visitation center terminals |
| Offsite video | 7 AM-9 PM Monday-Sunday | Computer, Android, or iOS device through ICSolutions |
| Blocked times | No visits 5-6 AM, 5-6 PM, or after 9 PM | Applies to the general schedule |
| Attorney visits | Advance scheduling required | Photo ID may be requested; legal items may be searched |
The official Jefferson County inmate visitation page publishes the schedule, visitor conduct rules, attorney-visit rules, and ICSolutions link.
Offsite visits can require the ICS Mobile app or device testing before the visit. Offsite costs vary by facility and internet connection issues are not refunded by the vendor.
Jefferson County Jail Mail Money Phone
Detainee mail must be addressed to Jefferson County Detention Center, C/O the detainee name, cell assignment, and Alien number if applicable, at 510 First Street, Hillsboro, MO 63050. Incoming non-privileged mail must be postcards. Postcards must be standard white, no larger than 5 by 7, with a readable return address. The rules reject altered cards, cards with plastic or labels, stains, lipstick, perfume, nudity, weapons, alcohol, or gang references. Money orders, personal checks, and cash are not accepted through inmate mail.
Commissary funds are handled through Access Corrections and jail lobby options. Phone services are handled by IC Solutions. Phone privileges are generally available from 6:30 AM to 9:30 PM unless restricted for misconduct or security. A prepaid account lets family or friends pay for calls to a designated number, while a debit telephone account lets the inmate call nonrestricted numbers.
| Service | Provider or Rule | Facility Detail |
|---|---|---|
| Postcard-only for ordinary incoming mail | Legal name, detainee number, housing unit, facility address, and return address required | |
| Commissary web deposit | Access Corrections | Linked from the sheriff commissary page |
| Jail lobby deposit | Cash or credit card kiosk | 8:30 AM-4:30 PM Monday-Friday |
| Money order in person | Made out to inmate name | Accepted in person, not through inmate mail |
| Phone | IC Solutions, 888-506-8407 | Calls run 6:30 AM-9:30 PM unless restricted |
The Jefferson County inmate commissary page shows the Access Corrections deposit channel and lobby deposit hours.
Deposit and phone services are useful only when the person is currently held at the detention center. If the person transferred to MODOC, use the state corrections family and friends channels instead.
Jefferson County Booking and Intake
After arrest by sheriff deputies or a municipal police agency, a person accepted for county custody is booked at the Jefferson County Detention Center. Intake creates the jail record, including public fields such as name, year of birth, race, sex, booked date, charge or case entries, custody status, mugshot when available, and release or incarcerated status. The roster says current inmates are sorted by booking date. Public API examples use "INCARCERATED" for current custody in the release-date field.
Missouri law also affects intake. RSMo 221.040 allows a sheriff or jailer to require medical examination before accepting a prisoner who appears unconscious, seriously ill, seriously injured, or otherwise medically unsafe under the statute. That supports medical clearance before a person is received into jail. After intake, privileges such as phone and video visitation can be limited when jail security or misconduct requires it.
Jefferson County Bond and Court
Bond can appear on the public inmate profile when the total bond amount is greater than zero. The public roster does not show a full per-charge bond-type field, so a missing amount should not be read as final release eligibility. Call the jail at 636-797-5081 when the roster is unclear. For filed case status, use Missouri Case.net or the Circuit Court/Circuit Clerk at 300 Main Street, Hillsboro, phone 636-797-5443.
Jefferson County maintains an approved bondsmen list, and the sheriff warns that bonds not filled in or notarized properly will not be accepted, approved, or filed by the court clerk's office. Current custody may also be controlled by a warrant, capias, no-bond hold, another agency hold, DOC/parole matter, federal issue, or ICE matter. Once charges are filed, court records after a jail arrest are tracked through the court path rather than only the jail profile.
Note: Confirm custody, bond, and visit status with the detention center before traveling or paying a vendor.
Jefferson County Custody Fallbacks
If the Jefferson County Detention Center roster does not list the person, use the fallback chain documented in the research. First check the 72-hour released-inmates page. Then call the jail. For arrest or incident reports, use the sheriff records process at the Justice Center with valid photo ID, report fee, and processing time. Sunshine Law requests go to the sheriff custodian of records. For notification, search Missouri VINE or call 877-654-8463.
Sentenced state prisoners from Jefferson County move to MODOC Offender Search, not the county jail roster. Federal sentenced prisoners are searched through BOP Inmate Locator. Immigration custody is searched through the ICE Online Detainee Locator System. No state prison, BOP institution, or ICE detention facility was located inside Jefferson County in the official facility lists checked for the research.
About Jefferson County Detention Center
The Jefferson County jail history reaches back through several county-seat and courthouse changes, but the modern detention center story centers on the 1991 jail and the 2008 Justice Center move. The Sheriff's Office moved out of the jail's second floor into the Justice Center, which allowed jail renovation and expanded housing. The sheriff office reports it provides a full-service correctional facility, civil process, bailiffs for 12 courtrooms, and law-enforcement services across a county with urbanized northern areas, Mississippi River communities, and rural southern and western areas.
The Sheriff's Office first achieved CALEA accreditation in 2005 and says it maintains accreditation by following law-enforcement best practices. Detailed public program material for GED, substance-abuse treatment, vocational programs, grievance process, medical sick call, or work release was not located in the official Jefferson County jail pages reviewed. Documented facility services include video visitation, phone services, commissary, mail rules, attorney visitation, records channels, victim services, VINE, and court routing.