Trellis

Olivia Rieger Dawson County Judge

Olivia earned an associate's degree in animal science from Dawson Community College, a bachelor's degree in sociology from Black Hills State University, and a law degree from the University of South Dakota. 

Olivia is an attorney with experience as a public defender. She has also taught as a criminal justice professor at Dawson Community College. 

Olivia C. Rieger is a District Court Judge in Judicial District 7. She was appointed in 2017 and has served one term. Olivia previously served Dawson County Attorney from 2010 to 2017. 

Montana District Court

As a District Court Judge, Olivia presides over criminal, probate, and civil cases.

As County Attorney for Dawson County from 2010 to 2017, Olivia represented the county in civil matters and violations of county ordinances.

As a regional deputy public defender for the Montana Office of the State Public Defender in Glendive, Olivia provided legal defense for individuals who can't afford an attorney.

Received a Juris Doctor (law degree) from the University of South Dakota in 2014.

- As a District Court Judge, Olivia presides over criminal, probate, and civil cases.
- As County Attorney for Dawson County from 2010 to 2017, Olivia represented the county in civil matters and violations of county ordinances.
- As a regional deputy public defender for the Montana Office of the State Public Defender in Glendive, Olivia provided legal defense for individuals who can't afford an attorney.
- Received a Juris Doctor (law degree) from the University of South Dakota in 2014.

Legal Experience

As of June 6, 2025, Olivia C Rieger did not have a website or any information online.

Ethics & Conduct

Judicial Administration

Judicial Philosophy

Community Involvement

Olivia C Rieger

- Montana District Courts are central to the state’s judicial system, handling most major legal proceedings and providing a pathway for appeals from lower courts.
- Montana District Court Judges handle a wide variety of cases, including all serious criminal charges and smaller felonies. These courts also take on major civil disputes and state financial claims.
- In civil matters, these judges deal with wills and estates (probate), disputes over contracts and property ownership, and other non-criminal legal issues.
- These judges also have the authority to review decisions made by smaller local courts within their jurisdiction, as allowed by state law and the Constitution.
Judges in the District Courts are elected by the public in their districts, emphasizing the importance of community representation.

Montana District Court Judge, District 7

Election results

Candidates (1)