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 30, 2026 and October 9, 2026.
Mississippi County, Missouri, has about 12,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Mississippi County is held at the county jail, run by the Mississippi 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: Mississippi County public records, Mississippi County arrest records, Mississippi County warrants, Mississippi County criminal records, Mississippi County court records, Missouri arrest records and Missouri inmate search.
Finding Someone in Custody in Mississippi County
A person kept in custody after an arrest in Mississippi County is held at the county jail, run by the Mississippi County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Mississippi County Sheriff's Office at misscomo.net/services/sheriff.php (page title: Welcome to Mississippi County), 200 W Commercial St. Charleston, MO 63834, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster.
The Mississippi County Jail by the Numbers
On an average day in 2019 the jail held about 73 people. Its rated capacity in 2019 was 130 beds, and it ran at 56 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Mississippi County has about 12,000 residents (2024 Census Bureau estimate), so the jail holds about 62 people for every 10,000 residents.
Who Books People Into the Mississippi County Jail
The Mississippi County Sheriff's Office and the agencies that report for Charleston, East Prairie and Bertrand make the arrests that end in a booking in Mississippi County.
The largest arrest counts reported to the FBI were Charleston's 83 for 2025, the Mississippi County Sheriff's Office's 53 for 2025 and East Prairie's 10 for 2025.
Together, the four agencies in Mississippi County with all twelve months of 2025 on file reported 147 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 Mississippi 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 Mississippi 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 Mississippi County?
Ask the Mississippi County Sheriff's Office; its jail page SearchSystems verified is at misscomo.net/services/sheriff.php.
How many people are in the Mississippi County jail?
About 73 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 130 beds.
Where do people sentenced to prison in Mississippi 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 Mississippi 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.