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