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 23, 2026 and October 4, 2026.
Adair County, Missouri, has about 26,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Adair County is held at the county jail, run by the Adair 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: Adair County public records, Adair County arrest records, Adair County warrants, Adair County criminal records, Adair County court records, Missouri arrest records and Missouri inmate search.
Finding Someone in Custody in Adair County
The county jail, run by the Adair County Sheriff's Office, holds everyone kept in custody after an arrest in Adair County, from every agency.
SearchSystems opened and checked the jail page of the Adair County Sheriff's Office at adaircountymissouri.com/departments/sheriff (page title: Sheriff | Adair County Missouri Government), phone (660) 665-4644, 215 N. Franklin St Kirksville, MO 63501, which answered when SearchSystems opened it on October 4, 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 (660) 665-4644.
The Adair County Jail by the Numbers
On an average day in 2019 the jail held about 53 people. Its rated capacity in 2019 was 64 beds, and it ran at 83 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Adair County has about 26,000 residents (2024 Census Bureau estimate), so the jail holds about 21 people for every 10,000 residents.
Who Books People Into the Adair County Jail
The Adair County Sheriff's Office and the agency that reports for Kirksville make the arrests that end in a booking in Adair County.
The FBI's agency list also places one more agency in Adair County: Truman State University (campus police).
The largest arrest counts reported to the FBI were Kirksville's 200 for 2025 and the Adair County Sheriff's Office's 2 for 2025.
Together, the two agencies in Adair County with all twelve months of 2025 on file reported 202 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 Adair 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 Adair County serves the sentence in a facility of the Missouri Department of Corrections, whose inmate locator is at web.mo.gov/doc/offSearchWeb.
Frequently Asked Questions
How do I find an inmate in Adair County?
Ask the Adair County Sheriff's Office at (660) 665-4644; its jail page SearchSystems verified is at adaircountymissouri.com/departments/sheriff.
How many people are in the Adair County jail?
About 53 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 64 beds.
What is the phone number for the Adair County jail?
(660) 665-4644, the number on the page of the Adair County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Adair County go?
To a facility of the Missouri Department of Corrections; its inmate locator is at web.mo.gov/doc/offSearchWeb.
Is this the official Adair 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.