We combine sources with different dates and definitions. A roster refresh does not make a historical survey current. Each collection explains its own coverage.
Sources & methodology
- United States Congress legislators dataset ↗
unitedstates / GovTrack contributors — Biographical details, terms, official contact details and committees - Religious affiliation of members of the 119th Congress ↗
Pew Research Center, based on CQ Roll Call · 2025-01-02 — Named members of the incoming 119th Congress; historical observation, not a live survey - Members of Congress: Religious Affiliations (114th Congress) ↗
Pew Research Center · 2015-01-05 — Historical, named religious affiliations - Hispanic American Senators ↗
U.S. Senate Historical Office — The Senate's historical list of Hispanic American senators - Black-American Members by Congress ↗
U.S. House of Representatives, History, Art & Archives — Members identified in the House Historian's 119th Congress table - Hispanic-American Representatives, Senators, Delegates, and Resident Commissioners by Congress ↗
U.S. House of Representatives, History, Art & Archives — House members, delegates and the resident commissioner identified in the House Historian's 119th Congress table - Asian and Pacific Islander American Members by Congress ↗
U.S. House of Representatives, History, Art & Archives — Asian and Pacific Islander American members identified in the 119th Congress table - 119th Congress brings new growth in racial, ethnic diversity to Capitol Hill ↗
Pew Research Center · 2025-01-21 — Aggregate demographics as of January 3, 2025; not individual identity assertions - Vintage 2025 state population estimates ↗
U.S. Census Bureau — July 1, 2025 population estimates for states, DC and Puerto Rico - Congressional portraits ↗
unitedstates/images — Official congressional photographs; image provenance maintained by the source - Supreme Court ↗
Alex Demas / U.S. Geological Survey · 2014-12-13 - Flags of the U.S. states ↗
Flagpedia / Wikimedia Commons — State flag depictions, delivered by FlagCDN; attribution and source links provided - U.S. Atlas ↗
Mike Bostock / U.S. Census Bureau — General-purpose state geography; not congressional district boundaries - The Constitution of the United States ↗
Library of Congress, Constitution Annotated — Senate seats per state and minimum ages for members - 2020 Census apportionment results, Table 1 ↗
U.S. Census Bureau — House seats for each state, based on a House of 435 members - Congressional Salaries and Allowances: In Brief (RL30064) ↗
Congressional Research Service, via EveryCRSReport · 2026-09-10 — Current salaries, freezes and the outside earned income limit - Salaries of Members of Congress: Recent Actions and Historical Tables (97-1011) ↗
Congressional Research Service, via EveryCRSReport · 2026-05-06 — Historical member pay and adjustment denials
Dates and coverage differ by source. How we use this data · Suggest a correction
Maintained by Benyamin Mannan, founder and editor. Records are checked against the sources listed on each page before publication.