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 2, 2026.
Dunklin County, Missouri, has about 27,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Dunklin County is held at the county jail, run by the Dunklin 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: Dunklin County public records, Dunklin County arrest records, Dunklin County warrants, Dunklin County criminal records, Dunklin County court records, Missouri arrest records and Missouri inmate search.
Finding Someone in Custody in Dunklin County
The county jail, run by the Dunklin County Sheriff's Office, holds everyone kept in custody after an arrest in Dunklin County, from every agency.
SearchSystems opened and checked the jail page of the Dunklin County Sheriff's Office at dunklincounty.gov/dunklin-county-sheriffs-office (page title: Dunklin County Sheriff’s Office | Dunklin County), phone 573-888-2424, 1175 Floyd Street Kennett, MO 63857, Monday - Friday 8:30 a.m. - 4:30 p.m., which answered when SearchSystems opened it on September 23, 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 573-888-2424.
The Dunklin County Jail by the Numbers
On an average day in 2022 the jail held about 200 people, up from about 190 in 2019. Its rated capacity in 2022 was 199 beds, and it ran at 102 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Dunklin County has about 27,000 residents (2024 Census Bureau estimate), so the jail holds about 75 people for every 10,000 residents.
Who Books People Into the Dunklin County Jail
The Dunklin County Sheriff's Office and the agencies that report for Kennett, Malden, Senath, Campbell, Clarkton, Holcomb and three more cities make the arrests that end in a booking in Dunklin County.
The largest arrest counts reported to the FBI were Cardwell's 1,177 for 2025, Kennett's 526 for 2025 and the Dunklin County Sheriff's Office's 333 for 2025.
Together, the five agencies in Dunklin County with all twelve months of 2025 on file reported 2,066 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 Dunklin County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Missouri Department of Corrections lists its inmates at web.mo.gov/doc/offSearchWeb.
Frequently Asked Questions
How do I find an inmate in Dunklin County?
Ask the Dunklin County Sheriff's Office at 573-888-2424; its jail page SearchSystems verified is at dunklincounty.gov.
How many people are in the Dunklin County jail?
About 200 on an average day in 2022, the latest year in the Vera Institute's jail data, against a rated capacity of 199 beds.
What is the phone number for the Dunklin County jail?
573-888-2424, the number on the page of the Dunklin County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Dunklin 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 Dunklin 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.