Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. The arrest and crime 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 24, 2026 and October 11, 2026.
Thomas County, Kansas, has about 7,800 residents (2024 Census Bureau estimate). In Kansas the public criminal record is the court file, kept by the Clerk of the District Court; the statewide criminal history kept by the Kansas Bureau of Investigation is open to anyone who asks. This guide says where each record of a criminal case from Thomas County is kept and how it is seen.
This guide covers the court file, the statewide record, local arrest records, the crimes behind the records, the prosecutor, sex offender registry, records requests and common questions.
Related guides: Thomas County public records, Thomas County arrest records, Thomas County warrants, Thomas County inmate search, Thomas County court records, Kansas arrest records and Kansas inmate search.
Criminal Cases in the Thomas County District Court
In Kansas the public criminal record is the court file. Criminal cases from Thomas County are heard by the Thomas County District Court, which hears every civil, criminal, family, probate and juvenile case, and the file of each case is kept by the Clerk of the District Court.
For Thomas County, SearchSystems opened and checked the court records page for the county at thomascountyks.gov/1195/Clerk-Election-Officer (page title: Clerk & Election Officer | Thomas County, KS), phone 785-460-4500, 300 N Court Ave Colby, KS 67701, which answered when SearchSystems opened it on October 11, 2026.
Statewide, Kansas District Court Public Access Portal is the Kansas courts' statewide case search.
The Kansas Criminal History and Your Own Copy
Kansas is one of the states that lets anyone look up another person's statewide criminal history: anyone can order a name-based criminal history record check online, through the Kansas Bureau of Investigation. The result is the repository record, what agencies reported to the state, which is wider than one county's court index but can lag it.
Arrest Records Kept Locally in Thomas County
The Thomas County Sheriff's Office and the agency that reports for Colby keep the arrest records in Thomas County: the report and the booking record of each arrest stay with the agency that made it, separate from the court file and from the state repository.
The Oakley Police Department is listed by the FBI across three counties including Thomas County, so its arrests are not broken out for Thomas County here.
Colby reported 59 arrests to the FBI for 2025; how each case ended is in the court file, not in the arresting agency's.
The agencies and their counts, year by year, are in Thomas County arrest records.
The Crimes Behind the Records: Thomas County in 2025
The one agency in Thomas County with all twelve months of 2025 on file reported 3 violent and 30 property crimes to the FBI that year; the same agencies with both 2025 and 2024 complete reported 33 crimes in 2025 against 61 in 2024. Each reported crime is a report on file with the agency that took it, and each arrest that follows is the start of a criminal record.
The full crime section, agency by agency, is on the Thomas County public records guide.
The County Attorney for Thomas County
Charges in Thomas County are filed by the County Attorney, which reviews the arrests of every agency in the county and brings the cases in the Thomas County District Court.
The office's page SearchSystems verified is at thomascountyks.gov/1196/County-Attorney (page title: County Attorney | Thomas County, KS), phone (785) 460-4500, 275 N Court Ave Colby, KS 67701, which answered when SearchSystems opened it on October 2, 2026.
The Sex Offender Registry for Thomas County
Registered sex offenders living in Thomas County are listed on the Kansas Offender Registry, run by the Kansas Bureau of Investigation at kansas.gov/kbi/ro.shtml. Sex, violent and drug offenders are all listed.
Registration itself is done in person with the local agency where the registrant lives: the sheriff's office, or the city police in a city with its own department.
Asking an Agency in Thomas County for a Record
An arrest report, a booking record or a local criminal history letter comes from the agency that holds it, not from the court.
Under the Kansas Open Records Act a county office must answer a request within 3 business days, and it may charge staff time and copying. The county records request page SearchSystems verified is at thomascountyks.gov/1269/Open-Records (page title: Open Records | Thomas County, KS).
Frequently Asked Questions
Are criminal records public in Thomas County?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Kansas Bureau of Investigation: anyone can order a name-based criminal history record check online. The arrest report itself is released by the agency that made the arrest, under the Kansas Open Records Act.
Can I search Thomas County criminal cases online?
The court records page SearchSystems verified for the county is at thomascountyks.gov (page title: Clerk & Election Officer | Thomas County, KS). Statewide, Kansas District Court Public Access Portal is the Kansas courts' statewide case search.
How do I get my own Kansas criminal history?
Through the same record check, run on yourself.
Who prosecutes crimes in Thomas County?
The County Attorney, reached at (785) 460-4500, which files its cases in the Thomas County District Court.
Is this the official Thomas 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.