Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 26, 2026 and October 2, 2026.
Siloam Springs, Arkansas, in Benton County, has about 20,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Siloam Springs is held at the county jail, run by the Benton County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Siloam Springs public records, Benton County inmate search, Siloam Springs arrest records, Siloam Springs warrants, Siloam Springs criminal records, Siloam Springs court records, Arkansas arrest records and Arkansas inmate search.
Finding Someone in Custody in Siloam Springs
The county jail, run by the Benton County Sheriff's Office, holds everyone kept in custody after an arrest in Siloam Springs, from every agency.
SearchSystems opened and checked the jail page of the Benton County Sheriff's Office at sheriff.bentoncountyar.gov/jail-dashboard (page title: Jail Dashboard | Benton County Sheriff's Office), a site that blocks automated checks (HTTP 403), so open it in a browser.
That page is the office's jail information page rather than a roster.
The Benton County Jail by the Numbers
On an average day in 2020 the jail held about 480 people, down from about 680 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 669 beds, and it ran at 102 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Benton County has about 322,000 residents (2024 Census Bureau estimate), so the jail holds about 15 people for every 10,000 residents.
Who Books People Into the Benton County Jail
The Benton County Sheriff's Office and the agency that reports for Siloam Springs (filed by the FBI as Siloam Springs Police Department) make the arrests that end in a booking in and around Siloam Springs.
The FBI's agency list also places these agencies in Benton County: the State Park at Hobbs State Park-Conservation Area (state agency); Northwest Arkansas Community College (campus police); Northwest Arkansas Regional Airport (other agency).
The Springdale Police Department is listed by the FBI across two counties including Benton County, so its arrests are not broken out for Benton County here.
The largest arrest counts reported to the FBI were Rogers's 4,709 for 2025, Bentonville's 3,087 for 2025 and Lowell's 1,113 for 2025.
Together, the 14 agencies in Benton County with all twelve months of 2025 on file reported 12,275 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Siloam Springs arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Benton County serves the sentence in a facility of the Arkansas Division of Correction, whose inmate locator is at doc.arkansas.gov/correction/online-services.
Frequently Asked Questions
How do I find an inmate in Siloam Springs?
Ask the Benton County Sheriff's Office; its jail page SearchSystems verified is at sheriff.bentoncountyar.gov/jail-dashboard.
How many people are in the Benton County jail?
About 480 on an average day in 2020, the latest year in the Vera Institute's jail data, against a rated capacity of 669 beds.
Where do people sentenced to prison in Benton County go?
To a facility of the Arkansas Division of Correction; its inmate locator is at doc.arkansas.gov/correction/online-services.
Is this the official Siloam Springs website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.