Data & Publications

Research, Evaluation and Planning Group (RPEG)

The purpose of the Research, Planning and Evaluation Group (RPEG) is to increase the effectiveness, efficiency, and accountability of court programs and services. RPEG Analysts provide planning, evaluation and analytical expertise for all operational and programmatic areas at Seattle Municipal Court.


2013 Mental Health Court Evaluation

Frequently Requested Data Reports

RPEG has developed several data visualizations for frequently requested data reports. These data visualizations are created in Tableau and many have fields that can be adjusted to narrow the data set (e.g. by date range, violation, etc.).

For questions or additional assistance, please contact Gary Ireland, Public Information Officer, at 206-684-8710 or

Top 10 Criminal Charges

Top 10 criminal charges by year with year over year change as a percent.

Criminal Case Filings

Criminal case filings over time by case categories: DUI, DV, Non-DUI/DV.

Court Hearing Volume

Hearings held over time by specialty courts, other criminal hearings by adjudication stage, and infraction hearings.

Vehicle Infractions

Top vehicle infractions by infraction type.

Traffic Camera Infractions

Traffic camera violations by type, location and time period.

Civility Charges

Civil infractions and criminal civility charges filed over time.

Bicycle Infractions

Bicycle infraction over time.

Marijuana Infractions

Violations for marijuana use over time.

Court Performance Reports

Key Performance Indicators

Key Performance Indicators in the areas of Case File Integrity, Time to Resolution for criminal cases and Public and Juror survey questions.

Court User Survey Results

Access and Fairness Survey of court users conducted in 2015.