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. Every office link was opened and checked against the office's own site between September 23, 2026 and October 2, 2026.
Ralls County, Missouri, has about 10,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Ralls County is held at the county jail, run by the Ralls 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, who books people, state prison and common questions.
Related guides: Ralls County public records, Ralls County arrest records, Ralls County warrants, Ralls County criminal records, Ralls County court records, Missouri arrest records and Missouri inmate search.
Finding Someone in Custody in Ralls County
The county jail, run by the Ralls County Sheriff's Office, holds everyone kept in custody after an arrest in Ralls County, from every agency.
SearchSystems opened and checked the jail page of the Ralls County Sheriff's Office at rallscountymo.gov/sheriff (page title: Sheriff | Ralls County Missouri), phone 573-985-5611, 209 E. 4th Street New London, MO 63459, 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 573-985-5611.
Who Books People Into the Ralls County Jail
The Ralls County Sheriff's Office and the agencies that report for New London, Perry and Center make the arrests that end in a booking in Ralls County.
The Hannibal Police Department and the Monroe City Police Department are each listed by the FBI across several counties including Ralls County, so their arrests are not broken out for Ralls County here.
The largest arrest counts reported to the FBI were New London's 33 for 2020, the Ralls County Sheriff's Office's 26 for 2025 and Perry's 1 for 2024.
Together, the three agencies in Ralls County with all twelve months of 2024 on file reported 30 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 Ralls 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 Ralls 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 Ralls County?
Ask the Ralls County Sheriff's Office at 573-985-5611; its jail page SearchSystems verified is at rallscountymo.gov/sheriff.
What is the phone number for the Ralls County jail?
573-985-5611, the number on the page of the Ralls County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Ralls 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 Ralls 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.