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 on September 24, 2026.
Sebastian County, Arkansas, has about 130,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Sebastian County is held at the county jail, run by the Sebastian 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: Sebastian County public records, Sebastian County arrest records, Sebastian County warrants, Sebastian County criminal records, Sebastian County court records, Arkansas arrest records and Arkansas inmate search.
Finding Someone in Custody in Sebastian County
A person kept in custody after an arrest in Sebastian County is held at the county jail, run by the Sebastian County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Sebastian County Sheriff's Office at sebastiancountyar.gov/Sheriff/Inmate-Inquiry (page title: Sebastian County Government > Sheriff > Inmate Inquiry), phone 479.783.4988, 901 South B St. Fort Smith, AR Greenwood Courthouse 11 Town Square Greenwood, AR 72936, which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at 479.783.4988.
The Sebastian County Jail by the Numbers
On an average day in 2019 the jail held about 420 people. Its rated capacity in 2019 was 386 beds, and it ran at 108 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Sebastian County has about 130,000 residents (2024 Census Bureau estimate), so the jail holds about 32 people for every 10,000 residents.
Who Books People Into the Sebastian County Jail
The Sebastian County Sheriff's Office and the agencies that report for Fort Smith, Greenwood, Barling, Lavaca, Mansfield, Hackett and four more cities make the arrests that end in a booking in Sebastian County.
The FBI's agency list also places one more agency in Sebastian County: Fort Smith Public Schools (other agency).
The largest arrest counts reported to the FBI were Fort Smith's 3,999 for 2025, the Sebastian County Sheriff's Office's 252 for 2025 and Barling's 122 for 2025.
Together, the 11 agencies in Sebastian County with all twelve months of 2025 on file reported 4,560 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 Sebastian County 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 Sebastian 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 Sebastian County?
Ask the Sebastian County Sheriff's Office at 479.783.4988; its jail page SearchSystems verified is at sebastiancountyar.gov/Sheriff/Inmate-Inquiry.
How many people are in the Sebastian County jail?
About 420 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 386 beds.
What is the phone number for the Sebastian County jail?
479.783.4988, the number on the page of the Sebastian County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Sebastian 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 Sebastian County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.