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 23, 2026 and October 11, 2026.
Platte County, Missouri, has about 113,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Platte County Circuit Court, and the file of each case, kept by the Circuit Clerk, 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: Platte County public records, Platte County arrest records, Platte County warrants, Platte County inmate search, Platte County criminal records, Missouri arrest records and Missouri inmate search.
The Courts That Hear Cases from Platte County
Court cases from Platte County are filed in the Platte County Circuit Court, which hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
A city with a municipal divisions of its own tries the tickets written under its ordinances.
Divorces go to the Circuit Court, and the file stays with the Circuit Clerk.
The Circuit Clerk keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Missouri Sunshine Law.
Looking Up a Case from Platte County
The court records page SearchSystems verified for the county is at co.platte.mo.us/circuit-clerk (page title: Circuit Clerk | Platte County), phone (816) 858-2232, 328 Main St., Suite 5-CH Platte City, MO 64079, which answered when SearchSystems opened it on October 11, 2026.
Statewide, Case.net is the Missouri courts' free statewide case search.
The Missouri court page SearchSystems verified is at courts.mo.gov.
What Reaches the Court from Platte County
Together, the seven agencies in Platte County with all twelve months of 2025 on file reported 2,702 arrests to the FBI that year; the Prosecuting Attorney decides which of those arrests become cases in the Platte County Circuit Court.
The Prosecuting Attorney's page SearchSystems verified is at co.platte.mo.us/prosecutor (page title: Prosecutor | Platte County), phone (816) 858-3476, 415 Third St., Suite 60-CH Platte City, MO 64079, which answered when SearchSystems opened it on September 23, 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 Platte County guides take the kinds of file one at a time: Platte County criminal records, Platte County divorce records, Platte County traffic tickets, Platte County DUI and Platte County property records.
Cities in Platte County
Wherever in the county a case arises, it is filed in the Platte County Circuit Court; tickets under a city's own ordinances go to its municipal divisions where it has one.
SearchSystems has a guide to the offices of these cities in Platte County, with the 2024 Census Bureau population:
- Parkville (8,980)
Frequently Asked Questions
How do I look up a court case in Platte County?
The court records page SearchSystems verified for the county is at co.platte.mo.us/circuit-clerk, phone (816) 858-2232. Statewide, Case.net is the Missouri courts' free statewide case search.
Which court hears felonies in Platte County?
The Platte County Circuit Court, which hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
Who keeps the court records in Platte County?
The Circuit Clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in Missouri?
Yes: Case.net, the Missouri courts' free statewide case search.
Is this the official Platte 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.