Reviewed and updated October 11, 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. Every office link was opened and checked against the office's own site between September 24, 2026 and October 11, 2026.
Sumner County, Kansas, has about 22,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Sumner County District Court, and the file of each case, kept by the Clerk of the District Court, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, cities and common questions.
Related guides: Sumner County public records, Sumner County arrest records, Sumner County warrants, Sumner County inmate search, Sumner County criminal records, Kansas arrest records and Kansas inmate search.
The Courts That Hear Cases from Sumner County
In Sumner County, the Sumner County District Court hears every civil, criminal, family, probate and juvenile case.
A city with a municipal court of its own tries the tickets written under its ordinances.
Divorces go to the District Court, and the file stays with the Clerk of the District Court.
The Clerk of the District Court keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Kansas Open Records Act.
Looking Up a Case from Sumner County
The court records page SearchSystems verified for the county is at co.sumner.ks.us/elected_officials/county_clerk_and_election_officer... (page title: Sumner County, KS), 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 court page SearchSystems verified is at casesearch.kscourts.gov.
What Reaches the Court from Sumner County
Together, the three agencies in Sumner County with all twelve months of 2024 on file reported 509 arrests to the FBI that year; the County Attorney decides which of those arrests become cases in the Sumner County District Court.
The County Attorney's page SearchSystems verified is at co.sumner.ks.us/elected_officials/county_attorney.php (page title: Sumner County, KS), phone (620)326-7941, Mon. - Fri. 8 a.m. - 12:00 p.m., which answered when SearchSystems opened it on September 24, 2026.
The Kinds of Court Files
Criminal cases, divorces, traffic tickets and evictions all end up as files of these courts, and the file is what the public sees of each.
The other Sumner County guides take the kinds of file one at a time: Sumner County criminal records, Sumner County divorce records, Sumner County traffic tickets and Sumner County DUI.
Cities in Sumner County
Wherever in the county a case arises, it is filed in the Sumner County District Court; tickets under a city's own ordinances go to its municipal court where it has one.
The cities and towns in the county are Wellington, Belle Plaine, Conway Springs, Oxford, Caldwell, Argonia, South Haven, Geuda Springs, Mayfield, Milan and Hunnewell.
Frequently Asked Questions
How do I look up a court case in Sumner County?
The court records page SearchSystems verified for the county is at co.sumner.ks.us. Statewide, Kansas District Court Public Access Portal is the Kansas courts' statewide case search.
Which court hears felonies in Sumner County?
The Sumner County District Court, which hears every civil, criminal, family, probate and juvenile case.
Who keeps the court records in Sumner County?
The Clerk of the District Court. Copies come from that office under the court's own rules.
Is there a statewide court case search in Kansas?
Yes: Kansas District Court Public Access Portal, the Kansas courts' statewide case search.
Is this the official Sumner 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.