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LocateCongress

Sources

Every page lists the sources it uses at the bottom, with the date each was last read. These are all of them.

  • congress-legislators

    the @unitedstates project

    Members, terms of service, contact details, social accounts, committees and committee rosters.

    License: CC0 (public domain dedication) · Checked daily 06:00 ET · Last read Oct 2, 2026

  • Member portraits

    the @unitedstates project (GPO Pictorial Directory), bioguide.congress.gov and Wikimedia Commons

    Official portraits, stored on our servers with each image’s source and license.

    License: Public domain (U.S. government works); Commons images carry their own license and credit · Checked weekly and for new members · Last read Oct 2, 2026

  • House roll-call votes and floor proceedings

    Office of the Clerk, U.S. House of Representatives

    Every House roll call with each member’s position; days the House met.

    License: Public domain (U.S. government work) · Checked hourly on session days; daily, and Mondays 08:00 ET · Last read Oct 2, 2026

  • Senate roll-call votes, floor log and hearings

    U.S. Senate (senate.gov)

    Every Senate roll call with each senator’s position; days the Senate met; committee hearing notices; the tentative session schedule.

    License: Public domain (U.S. government work) · Checked hourly on session days; every 2 hours; daily, and Mondays 08:00 ET; weekly · Last read Oct 2, 2026

  • House floor and committee schedules

    U.S. House of Representatives (docs.house.gov) and the Majority Leader

    The weekly House floor schedule, committee meeting notices and the House calendar.

    License: Public domain (U.S. government work) · Checked every 2 hours; daily, and Mondays 08:00 ET; weekly · Last read Oct 2, 2026

  • Congress.gov API

    Library of Congress

    Bills, sponsors, cosponsors, latest actions, CRS summaries and committee meetings.

    License: Public domain (U.S. government work) · Checked every 2 hours; daily (backfill from GovInfo via CLI) · Last read Oct 2, 2026

  • Bill status bulk data

    U.S. Government Publishing Office (GovInfo)

    The full set of bills in the current Congress, loaded once and then kept current from Congress.gov.

    License: Public domain (U.S. government work) · Checked daily (backfill from GovInfo via CLI) · Last read Oct 1, 2026

  • OpenFEC API

    Federal Election Commission

    Candidates and their receipts, spending and cash on hand.

    License: Public domain (U.S. government work) · Checked daily 04:00 ET · Last read Oct 2, 2026

  • Census Bureau geography and American Community Survey

    U.S. Census Bureau

    District boundaries (drawn as our maps), counties and ZIP code areas by district, and district population, income, age and education.

    License: Public domain (U.S. government work) · Checked quarterly or on demand · Last read Oct 2, 2026

  • Census Geocoder

    U.S. Census Bureau

    The congressional district of an address entered on Find My Representative (looked up at the time of the search).

    License: Public domain (U.S. government work)

  • State redistricting records

    State legislatures, courts and election officials

    Which states use new congressional maps in 2026, with the plan and its adoption; each state links its own source.

    License: Official records, linked at the source · Checked daily 06:00 ET · Last read Oct 2, 2026