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. Every office link was opened and checked against the office's own site between September 24, 2026 and October 9, 2026.
Jefferson County, Idaho, has about 35,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Jefferson County District Court and the Magistrate Division, 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: Jefferson County public records, Jefferson County arrest records, Jefferson County warrants, Jefferson County inmate search, Jefferson County criminal records, Idaho arrest records and Idaho inmate search.
The Courts That Hear Cases from Jefferson County
Court cases from Jefferson County are filed in the Jefferson County District Court, which hears felonies, civil cases over $10,000 and appeals from the magistrate division.
The Magistrate Division takes misdemeanors, traffic cases, small claims, probate and divorces.
Divorces go to the Magistrate Division of 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 Idaho Public Records Act.
Looking Up a Case from Jefferson County
The court records page SearchSystems verified for the county is at jcgov.us/212/Courts (page title: Courts | Jefferson County, ID), phone 888-588-2328, 210 Courthouse Way Suite 120 Rigby, ID 83442, Monday through Friday 9 am to 5 pm, which answered when SearchSystems opened it on September 24, 2026.
Statewide, iCourt Portal is the Idaho courts' free statewide case search.
The Idaho court page SearchSystems verified is at isc.idaho.gov.
What Reaches the Court from Jefferson County
Together, the two agencies in Jefferson County with all twelve months of 2025 on file reported 316 arrests to the FBI that year; the Prosecuting Attorney decides which of those arrests become cases in the Jefferson County District Court or the Magistrate Division.
The Prosecuting Attorney's page SearchSystems verified is at jcgov.us/238/Prosecuting-Attorney (page title: Prosecuting Attorney | Jefferson County, ID), phone 208-745-5888, 210 Courthouse Way Suite 220 Rigby, ID 83442, 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 Jefferson County guides take the kinds of file one at a time: Jefferson County criminal records, Jefferson County divorce records, Jefferson County DUI and Jefferson County property records.
Cities in Jefferson County
Wherever in the county a case arises, it is filed in the Jefferson County District Court or the Magistrate Division.
SearchSystems has a guide to the offices of these cities in Jefferson County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- Rigby (5,683)
Frequently Asked Questions
How do I look up a court case in Jefferson County?
The court records page SearchSystems verified for the county is at jcgov.us/212/Courts, phone 888-588-2328. Statewide, iCourt Portal is the Idaho courts' free statewide case search.
Which court hears felonies in Jefferson County?
The Jefferson County District Court, which hears felonies, civil cases over $10,000 and appeals from the magistrate division. The Magistrate Division takes misdemeanors, traffic cases, small claims, probate and divorces.
Who keeps the court records in Jefferson 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 Idaho?
Yes: iCourt Portal, the Idaho courts' free statewide case search.
Is this the official Jefferson 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.