Why start with KnowJudges?
- All 50 states. Explore federal, state and immigration courts in one directory.
- Know the judge. Read career history, education, judicial service and personal background.
- Prepare for court. Find courtroom rules, standing orders and procedural guidance with source links.
- Explore the numbers. Access immigration outcomes, federal and state case analytics, judicial appraisals and opinion records.
- Use your own tools. Connect through the free API, MCP server and Markdown profiles.
- Start for free. Search and read public profiles without a paid subscription.
KnowJudges and JudicialFinder
Focused on the judges serving today
30,692 Active Judges · 817 Former Judges
JudicialFinder combines today’s bench with a substantial historical directory. It reports 11,122 judges serving or on record within 20,526 total profiles. KnowJudges has more than twice as many Active profiles as JudicialFinder’s serving-or-on-record count, alongside over 11,000 Courts, courtroom procedures, analytics and free developer access.
JudicialFinder directory figures · Service-status counts checked October 12, 2026.
KnowJudges and Trellis
KnowJudges covers all 50 states, D.C. and 4 U.S. territories, with judges and courts represented across 2,400+ counties and county equivalents. Explore federal, state and immigration courts with free public search, API and MCP access. Trellis focuses on state trial-court records and litigation research; its comparison sheet lists 45 states and 2,481 counties.
Explore Trellis coverage · Trellis comparison sheet
Choose your starting point
Find judges and courts · Explore immigration analytics · Use the API · Connect an AI assistant
