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 24, 2026 and October 2, 2026.
Andover, Kansas, in Butler County, has about 17,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Andover is held at the county jail, run by the Butler 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: Andover public records, Butler County inmate search, Andover arrest records, Andover warrants, Andover criminal records, Andover court records, Kansas arrest records and Kansas inmate search.
Finding Someone in Custody in Andover
A person kept in custody after an arrest in Andover is held at the county jail, run by the Butler County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Butler County Sheriff's Office at butlersheriff.org/jail-facilities (page title: Jail Facilities | Butler County Sheriff’s Office), which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster.
The Butler County Jail by the Numbers
On an average day in 2019 the jail held about 200 people. Its rated capacity in 2019 was 207 beds, and it ran at 98 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Butler County has about 69,000 residents (2024 Census Bureau estimate), so the jail holds about 29 people for every 10,000 residents.
Who Books People Into the Butler County Jail
The Butler County Sheriff's Office and the agency that reports for Andover (filed by the FBI as Andover Police Department) make the arrests that end in a booking in and around Andover.
The FBI's agency list also places these agencies in Butler County: Butler Community College (campus police); the Bluestem Unified School District and the El Dorado School District (other agency).
The largest arrest counts reported to the FBI were the Butler County Sheriff's Office's 884 for 2025, El Dorado's 503 for 2025 and Augusta's 313 for 2025.
Together, the four agencies in Butler County with all twelve months of 2025 on file reported 1,822 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 Andover 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 Butler 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 Andover?
Ask the Butler County Sheriff's Office; its jail page SearchSystems verified is at butlersheriff.org/jail-facilities.
How many people are in the Butler County jail?
About 200 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 207 beds.
Where do people sentenced to prison in Butler County go?
To a facility of the Kansas Department of Corrections; its inmate locator is at doc.ks.gov.
Is this the official Andover website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.