Search Johnson County Jail Inmates

Johnson County Jail Overview

Johnson County Jail is operated by the Johnson County Sheriff's Office. The jail receives arrests made in Johnson County by the sheriff's office, Iowa City Police Department, Coralville Police Department, University of Iowa Police Department, North Liberty Police Department, University Heights Police Department, Iowa State Patrol, and other agencies that book people into local custody. The facility holds people awaiting trial, people waiting for bail, sentenced misdemeanants, probation or parole violators, people waiting on transfer, and Johnson County detainees who must be housed outside the county when space runs short.

The official Jail Division page lists the jail at 511 S. Capitol St. in Iowa City and connects the public to visitation, canteen, PREA, VINE, jail statistics, and photo tour resources. The jail is not the same system as the Iowa Department of Corrections. A person sentenced to state prison may move from Johnson County Jail to Iowa DOC custody, often through the Iowa Medical and Classification Center in Coralville, but the county roster and the state offender search are different tools.

The official jail division screenshot below comes from the Johnson County Jail Division source page.

That page is the best public doorway for jail-specific rules, while the roster itself is the direct search tool for current and recent Johnson County sheriff custody.

Johnson County Jail Capacity

The sheriff's office states that Johnson County Jail has capacity to house 92 inmates. The 2024 JCSO and Jail Needs Assessment gives a stricter operating picture, listing a functional capacity limitation of 65 people. The difference matters because the roster can show Johnson County detainees housed in Washington County, Linn County, Henry County, or another facility while still remaining in Johnson County Sheriff custody. The April 2026 sheriff dashboard reported an average daily population of 90, which was above the functional capacity figure and close to the stated jail capacity.

Johnson County Jail Roster Lookup

The correct lookup for this county jail is the official Johnson County Jail Roster. It is free, does not require a login, and includes an All view and a Recent Bookings view. The roster covers people currently or within the last 48 hours in custody of the Johnson County Sheriff. It can include people physically held in another county jail for Johnson County, and it does not include juveniles. For a broader custody overview, the Johnson County inmate population page explains how the county jail count differs from prison custody.

1. Open the official roster and start with All if the person may still be in Johnson County sheriff custody.
2. Use Recent Bookings if the arrest just happened or if the name spelling may not match the first search.
3. Enter a name in the Name Search field and choose Update Results.
4. Read the Date Booked, Name, Age, Date Released, Housing Facility, and Details fields.
5. Use the plus controls or Show all charges to see charge summaries, then open Details for the full record.

The roster detail page can show booking time, housing facility, age, address, arresting agency, demographics, physical descriptors, offenses, Iowa code sections, offense level, court cause number, bond type, bond amount, and charge-release status. A View Photo button appears on inspected detail records when the roster permits photo access. The related jail records page gives a fuller walk-through of profile fields and older record requests.

Johnson County Jail Contact

The jail has a public lobby for visitor contact with jail staff, approved item drop-off, fingerprinting, and reporting to serve a sentence. Records Division business, including public jail information records checks, is tied to weekday office hours. Custody staff can answer limited custody questions by phone, including whether a person is in custody, what charges the person is held on, bond required if applicable, and a scheduled release date if applicable. Jail staff cannot give court information, so case events must be checked through an attorney or Iowa Courts Online.

Johnson County Jail Visitation

Johnson County Jail visitation is based on the first letter of the inmate's last name. Visitors must show picture ID and sign the visitor log. A visitor under 18 must be with a parent or legal guardian. Visits are limited to 20 minutes total, and an inmate may visit during one session per day. The older photo tour describes glass-separated visits by phone, but the current Jail Division page controls the schedule.

Confirm the visit before travel when custody status, release, discipline, medical movement, or out-of-county housing may affect whether the person can receive a visit.

Johnson County Jail Mail

Mail for a Johnson County Jail inmate uses the inmate's name and the sheriff's mailing address. A full return name and address must be on the envelope. The jail does not accept packages mailed to inmates, and letters or envelopes may not have stickers, lipstick, perfume, or another foreign substance. Books and magazines must come directly from the publisher. Property rules are narrow: property other than cash and prescription medication is not accepted, and medication must be in prescribed bottles or sample packaging verified by a doctor.

Johnson County Jail Intake

The official jail photo tour gives unusually concrete booking detail. Arrestees enter through the intake vestibule and inmate intake elevator, not the public lobby. Deputies remove restraints, search for contraband, and move the person into a 90-square-foot booking room where jail staff gather information, take booking photos, and take fingerprints. Because the booking room can handle only one person at a time, arresting officers may have to wait with prisoners during busy intake periods.

People may be required to change into jail clothing and shower during booking. Personal clothing is placed in a mesh storage bag and kept until release. Holding cells are used for discipline, special needs monitoring, temporary placement, and overnight court-waiting placement. Holding Cell 4 is described in the tour as an overnight holding area, often called the drunk tank, with approximate capacity of 10. A video courtroom is set up for weekday initial appearances, while a non-video courtroom can serve weekend appearances.

Johnson County Jail Housing

The jail is a linear-design facility from 1981, with the jail function tied to the second floor and law-enforcement operations on the first floor. The photo tour describes nine cell blocks: maximum-security A, B, and C; medium-security D; female E and F; a medical-needs block; an overnight block; and minimum-security I-block for sentenced inmates. I-block is dormitory-like and can be used for minimum-security sentenced people. Work release may be available when a judge and the Sheriff approve a sentenced inmate to leave for work and return after work.

Pretrial detainee

A person held before conviction or final case disposition.

Sentenced misdemeanant

A person serving a local jail sentence, generally under one year.

Housing facility

The roster field that shows where a Johnson County detainee is physically housed.

Work release

Court and sheriff approved release from jail for work with return to custody.

Johnson County Jail Programs

Johnson County Jail Diversion is the main local program noted in the research. The county says Jail Diversion assists people who have had criminal justice contact, especially those facing mental-health issues, substance-use disorders, or related concerns. Since a social worker was introduced in 2022, the program has averaged about two inmate meetings per day and about 500 meetings each year. The program connects people to community services such as Abbe Center, Community and Family Resources, Shelter House, Inside Out, NAMI Johnson County, CommUnity, GuideLink Center, RVAP, University of Iowa Hospitals and Clinics, Vet Liberty Center, and Veterans Affairs.

The 2024 needs assessment and the jail photo tour also point to the role of medical and mental-health services in local custody. The photo tour describes a 120-square-foot medical room and medical service through University of Iowa Hospitals & Clinics in its historical description. The needs assessment identifies serious mental illness and substance-use disorders as important jail-population concerns and recommends more diversion and assessment strategies.