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 27, 2026 and October 9, 2026.
Allen County, Kansas, has about 12,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Allen County is held at the county jail, run by the Allen 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: Allen County public records, Allen County arrest records, Allen County warrants, Allen County criminal records, Allen County court records, Kansas arrest records and Kansas inmate search.
Finding Someone in Custody in Allen County
The county jail, run by the Allen County Sheriff's Office, holds everyone kept in custody after an arrest in Allen County, from every agency.
SearchSystems opened and checked the custody page of the Allen County Sheriff's Office at allencountycorrections.com (page title: Allen County Jail Roster Lookup, IN, Inmate Search), a site that blocks automated checks (HTTP 403), so open it in a browser.
That page is the place to look for someone booked recently. A person cited and released at the scene, or held only a few hours by a city department, will not be on it.
The Allen County Jail by the Numbers
On an average day in 2019 the jail held about 47 people. Its rated capacity in 2019 was 72 beds, and it ran at 65 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Allen County has about 12,000 residents (2024 Census Bureau estimate), so the jail holds about 38 people for every 10,000 residents.
Who Books People Into the Allen County Jail
The Allen County Sheriff's Office and the agencies that report for Iola, Humboldt, La Harpe and Moran make the arrests that end in a booking in Allen County.
The largest arrest counts reported to the FBI were Iola's 222 for 2025, the Allen County Sheriff's Office's 70 for 2025 and La Harpe's 1 for 2019.
Together, the three agencies in Allen County with all twelve months of 2025 on file reported 292 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 Allen 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 Allen 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 Allen County?
Look on the custody page of the Allen County Sheriff's Office at allencountycorrections.com. It covers people booked into the county jail.
How many people are in the Allen County jail?
About 47 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 72 beds.
Where do people sentenced to prison in Allen County go?
To a facility of the Kansas Department of Corrections; its inmate locator is at doc.ks.gov.
Is this the official Allen 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.