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.
Caldwell County, Missouri, has about 9,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Caldwell County is held at the county jail, run by the Caldwell 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: Caldwell County public records, Caldwell County arrest records, Caldwell County warrants, Caldwell County police reports, Missouri arrest records and Missouri inmate search.
Finding Someone in Custody in Caldwell County
A person kept in custody after an arrest in Caldwell County is held at the county jail, run by the Caldwell County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the custody page of the Caldwell County Sheriff's Office at caldwellcosdmo.gov/inmate-roster/filters/current/booking_time=desc/1 (page title: Inmate Roster | Caldwell County MO Sheriff's Department | Sort Booking Time | Descending | Page 1), phone 816-586-2681, which answered when SearchSystems opened it on September 23, 2026.
Someone booked recently shows on that page; someone cited and released at the scene, or held a few hours at a city station, does not.
The Caldwell County Jail by the Numbers
On an average day in 2020 the jail held about 120 people, down from about 150 in 2019. Its rated capacity in 2020 was 175 beds, and it ran at 69 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Caldwell County has about 9,000 residents (2024 Census Bureau estimate), so the jail holds about 133 people for every 10,000 residents.
Who Books People Into the Caldwell County Jail
The Caldwell County Sheriff's Office and the agencies that report for Hamilton and Polo make the arrests that end in a booking in Caldwell County.
The largest arrest counts reported to the FBI were the Caldwell County Sheriff's Office's 78 for 2022, Hamilton's 3 for 2025 and Polo's 0 for 2025.
Together, the two agencies in Caldwell County with all twelve months of 2025 on file reported 3 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 Caldwell 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 Caldwell County?
Look on the custody page of the Caldwell County Sheriff's Office at caldwellcosdmo.gov, or call 816-586-2681. It covers people booked into the county jail.
How many people are in the Caldwell County jail?
About 120 on an average day in 2020, the latest year in the Vera Institute's jail data, against a rated capacity of 175 beds.
What is the phone number for the Caldwell County jail?
816-586-2681, the number on the page of the Caldwell County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Caldwell 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 Caldwell 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.