Find Benton County Jail Inmates
Benton County inmate population records are available online through the county's official roster system. The Benton County Jail in Kennewick is a large facility that holds individuals arrested across the county, including those from Kennewick, Richland, and surrounding areas. The public roster is searchable by name, subject number, booking number, and booking date, and it includes data for inmates held at both the main jail and any contracted rental bed locations. This page explains how to use the roster, what information it shows, and what other tools exist for tracking Benton County inmates.
Benton County Jail Overview
Benton County Inmate Population and Jail Records
The Benton County Jail is located at 7122 W. Okanogan Place, Building B, in Kennewick, WA 99336. The facility opened in 2014 and spans 100,355 square feet with a licensed capacity of 669 inmates. In practice, the jail averages around 600 inmates per day and has housed over 800 at peak. It was funded through a half-cent county jail tax approved by voters. The Corrections Department can be reached at 509-783-1451.
The jail houses adults arrested across Benton County by multiple law enforcement agencies. Bookings come from the Benton County Sheriff's Office, Kennewick Police, Richland Police, Prosser Police, and other agencies operating within the county. Some inmates may also be held through contracted rental bed arrangements with other jurisdictions. The daily roster published online under RCW 70.48.100 covers both main facility inmates and those at contract locations.
| Facility | Benton County Jail |
|---|---|
| Address | 7122 W. Okanogan Place, Building B, Kennewick, WA 99336 |
| Phone | 509-783-1451 |
| Capacity | 669 licensed beds |
| Opened | 2014 |
| Online Inmate Search | inmateroster.bipintc.org |
| Daily Roster (RCW 70.48.100) | co.benton.wa.us |
| Public Records | co.benton.wa.us/176/Public-Records-Request |
Visitation at the Benton County Jail requires pre-approval. Visits are scheduled in advance and schedules vary by housing unit. All visitors must present a valid photo ID. Contact the facility directly at 509-783-1451 for current visitation days and times before making plans to visit.
Searching the Benton County Inmate Roster
There are two ways to look up Benton County inmate population records online. The first is the interactive inmate inquiry system at inmateroster.bipintc.org. This tool lets you search by name, subject number, booking number, booking date, or housing facility. It returns current custody records and is more flexible than a static roster page.
The Benton County daily jail roster page at co.benton.wa.us serves as the official roster published per RCW 70.48.100. The screenshot below shows the county's daily jail roster page as it appears on the county website, which includes inmates at both the main jail and rental bed contract locations.
The interactive inmate search portal at inmateroster.bipintc.org gives more search flexibility. The screenshot below shows that interface and the search fields available for looking up current Benton County inmate population records.
If the person you are looking for does not appear in the county system, check the Washington State DOC search at doc.wa.gov to see if they have been transferred to state custody after sentencing.
Note: The Benton County roster covers inmates at both the main jail facility and contracted rental bed locations, so it is broader than a single-facility list.
Public Records and Benton County Jail Records
Under RCW 42.56, Washington's Public Records Act, the Benton County Sheriff's Office and Corrections Department must respond to public records requests within five business days. The law provides broad access to government records, including booking logs, incident reports, and custody records. Some records are exempt from disclosure, including ongoing investigation materials and certain personal information protected by other statutes.
The Benton County public records request form is available at co.benton.wa.us/176/Public-Records-Request. Requests can be submitted online or in writing. For basic booking and custody information, the online roster is often sufficient without filing a formal request. More detailed records such as incident reports, use-of-force reports, or complete booking files require a formal submission.
VINE Notifications for Benton County Inmates
VINE (Victim Information and Notification Everyday) is available for anyone who needs to track custody changes at the Benton County Jail. The service sends automatic alerts by phone, text, or email when an inmate is released, transferred, escapes, or has a court event. You can register anonymously at VINELink.com and receive notifications without needing to contact the jail directly. VINE covers county jails and state prison facilities across Washington.
This service is especially useful for people who need timely updates but cannot regularly monitor the online roster or make calls to the facility. Registration takes just a few minutes and requires only the inmate's name or ID number to get started.
Benton County Court Records and Case Search
Criminal case records tied to Benton County jail bookings are handled by the Benton County Superior Court and District Court. These courts maintain dockets, case filings, and sentencing records for all criminal cases arising from arrests in the county. Jail booking records show only the charges at the time of arrest. They do not show what happened in court, whether charges were reduced or dismissed, or whether a sentence was imposed.
The Washington Courts public access portal at courts.wa.gov lets you search Benton County court records by name or case number at no charge. For certified copies, older records, or records not yet available in the online system, contact the Benton County Clerk directly. Court records and jail records are separate systems, and checking both will give you the most complete picture of a person's legal situation in Benton County.
State-Level Resources for Benton County Inmate Search
When a person is not found in Benton County's local roster, the Washington State Department of Corrections offers a free incarcerated person search at doc.wa.gov. People sentenced to more than a year in prison are typically transferred from county jail to a state DOC facility. This search covers all current DOC inmates statewide and is a key resource when local searches turn up nothing.
For a broader criminal history check, the WATCH system at watch.wsp.wa.gov provides arrest and conviction records maintained by the Washington State Patrol. WATCH charges a fee per search but covers the full range of criminal history data across the state. Together, the DOC search and WATCH give you the most complete view of someone's criminal record in Washington.
Note: WATCH requires a fee and identity verification, while the DOC incarcerated person search is available free to the public without registration.
Cities in Benton County
Benton County includes several cities, with Kennewick and Richland being the two largest. Both cities have pages on this site where you can find more specific information about inmate population records and court resources for those communities. All arrests in Kennewick, Richland, Prosser, and the rest of Benton County are processed through the Benton County Jail in Kennewick.
Nearby Counties
Benton County borders Franklin, Yakima, Grant, and Klickitat counties. If the person you are looking for is not in the Benton County system, one of these neighboring counties may be holding them.