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 28, 2026 and October 2, 2026.
Linn County, Kansas, has about 9,800 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Linn County is held at the county jail, run by the Linn 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: Linn County public records, Linn County arrest records, Linn County warrants, Linn County criminal records, Linn County court records, Kansas arrest records and Kansas inmate search.
Finding Someone in Custody in Linn County
A person kept in custody after an arrest in Linn County is held at the county jail, run by the Linn County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Linn County Sheriff's Office at linncountyks.gov/224/Sheriffs-Office (page title: Sheriff’s Office | Linn County, KS), 308 Main St., Suite 103 Mound City, KS 66056, Monday through Friday from 8 am to 3 pm, which answered when SearchSystems opened it on September 28, 2026.
That page is the office's jail information page rather than a roster.
The Linn County Jail by the Numbers
On an average day in 2019 the jail held about 43 people. Its rated capacity in 2019 was 17 beds, and it ran at 253 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Linn County has about 9,800 residents (2024 Census Bureau estimate), so the jail holds about 44 people for every 10,000 residents.
Who Books People Into the Linn County Jail
The Linn County Sheriff's Office and the agencies that report for Pleasanton, Linn Valley, La Cygne and Mound City make the arrests that end in a booking in Linn County.
The largest arrest counts reported to the FBI were the Linn County Sheriff's Office's 111 for 2025, Pleasanton's 44 for 2025 and Mound City's 0 for 2020.
Together, the two agencies in Linn County with all twelve months of 2025 on file reported 155 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 Linn 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 Linn County serves the sentence in a facility of the Kansas Department of Corrections, whose inmate locator is at doc.ks.gov/@@search?SearchableText=inmate+search.
Frequently Asked Questions
How do I find an inmate in Linn County?
Ask the Linn County Sheriff's Office; its jail page SearchSystems verified is at linncountyks.gov/224/Sheriffs-Office.
How many people are in the Linn County jail?
About 43 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 17 beds.
Where do people sentenced to prison in Linn County go?
To a facility of the Kansas Department of Corrections; its inmate locator is at doc.ks.gov.
Is this the official Linn 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.