Which states currently have no Republican congressional representatives in the U.S. House or Senate?

Checked on December 9, 2025
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Executive summary

As of the available sources, the question of which U.S. states have no Republican congressional representatives (in either the U.S. House or Senate) cannot be answered definitively from the provided materials: the provided pages give overall party breakdown trends and notes about vacancies, special elections, and control of state legislatures but do not supply a current, state-by-state list of which states lack any Republican members in Congress (House + Senate) [1] [2] [3]. Available sources do not mention a definitive list of states with zero Republican federal legislators.

1. What the sources actually provide — not what you asked for

The search results include a current-members list for the U.S. House (Wikipedia’s “List of current United States representatives”) and general party-breakdown pages, which report overall totals, vacancies, and special-election events [1] [3]. The House Press Gallery link in the results is a party-breakdown resource for the chamber [2]. None of these documents publishes a parsed, state-by-state inventory showing which states have only Democrats (or no Republicans) across both Senate and House delegations — that specific compilation is not found in the supplied material [1] [2] [3].

2. Why that matters — limitations and implications

A state can have zero Republican House members but still have a Republican senator (or vice versa), so answering your question requires combining a current Senate roster and a current House delegation list, with attention to recent special elections and vacancies. The supplied House sources note vacancies and special-election timelines (for example, special elections in New Jersey and Texas referenced in the House list) and page-level summaries about party control, but they do not present the combined, up-to-the-moment, state-by-state mapping you requested [1] [3]. Therefore any definitive state list would require additional, contemporaneous records of Senate membership alongside the House list.

3. How to build the list correctly — method you should follow

To produce an accurate answer you must: (a) obtain a current roster of U.S. senators (by state) for the exact date in question; (b) obtain an up-to-date roster of House members with their state and district; (c) for each state, check whether either senator or any representative is a Republican. The provided House list and the House Press Gallery are part of that workflow but are incomplete without a Senate roster [1] [2]. The House resources also warn of vacancies and special elections that can change the count rapidly [1] [3].

4. What the supplied sources tell us about recent volatility

The supplied material emphasizes that congressional delegations can change frequently: [1] documents multiple vacancies and special-election schedules (e.g., New Jersey’s special election and other runoffs), and [3] summarizes numerous 2025 special elections and resignations in the House. Those dynamics mean any snapshot can become outdated quickly; building a reliable list requires cross-checking both chambers on the day of interest [1] [3].

5. Competing perspectives and hidden agendas in sources

Wikipedia entries [1] [3] are maintained collaboratively and can lag or reflect edits tied to recent events; they are useful summaries but are not official government rosters. The House Press Gallery [2] provides authoritative party counts for the chamber but not state-by-state completeness. Users seeking an official, legally precise roster should consult direct government sources (U.S. Senate and Clerk of the House) — those sources are not among the supplied documents [2].

6. Practical next steps I recommend

If you want a definitive, current list of states with no Republican congressional members, provide permission to search official Senate and House rosters (or latest reputable roll calls) and I will compile the state-by-state mapping. Based on the current supplied sources alone, an accurate answer cannot be produced because the necessary Senate roster and a synchronized, state-by-state crosswalk are not present in the materials given [1] [2] [3].

Want to dive deeper?
Which states have all-Democratic congressional delegations in 2025?
Which U.S. states have no Republican senators as of December 2025?
How have party delegations by state changed since the 2024 elections?
Which states consistently elect only Democrats to Congress and why?
Are there any states with only independent or third-party congressional members in 2025?