How many states currently have no Republican members in the U.S. House in 2024?

1. Why this question matters — the rise of single-party delegations and what it signals

The distribution of party representation across state delegations is a key indicator of geographic polarization and the health of competitive elections; the existence of seven states with zero Republican House members in 2024 marks a concentration of Democratic-only delegations in the Northeast, Pacific, and Southwest. Analysts tracking the 2024 cycle noted a historic high in single-party state delegations, tying these patterns to redistricting, incumbent advantages, and localized partisan sorting ^{[1] [2]}. The pattern is not uniform: while seven states lacked any Republican House members, other states—primarily in the Mountain West and Plains—had entirely Republican delegations, underscoring a simultaneous trend of all-Democratic and all-Republican delegations nationwide ^[1]. These concentrated delegations affect national politics by reducing cross-party representation at the state level and can influence committee assignments, messaging, and constituent services.

2. The core evidence: who counted the states and how they did it

The specific list of seven no-Republican states—Connecticut, Delaware, Hawaii, Massachusetts, New Hampshire, New Mexico, and Rhode Island—appears in a November 25, 2024 analysis that tracked single-party delegations after the 2024 elections ^[1]. Ballotpedia’s post-election reporting and state-delegation comparisons compiled in December 2024 documented changes to congressional delegations and corroborated shifts that left these states without any Republican representatives ^{[2] [3]}. The Congressional Research Service and Library of Congress profiles of the 119th Congress provide seat totals and membership snapshots but do not enumerate state-by-state single-party delegations in their summary tables; they nonetheless confirm the narrower point that national totals shifted only modestly, while the geographic distribution of seats produced pockets of uniformity ^[4].

3. Cross-checks and contrasting figures — are there alternative counts?

Some sources report national House totals—Republicans 219–220, Democrats 212–215 as post-election tallies—which provide context but not state-level breakdowns ^{[5] [6]}. Those national totals are consistent with a small number of vacancies and close margins in many districts, yet they do not contradict the existence of seven states without Republican representatives because statewide absence can coexist with narrow national margins ^{[7] [4]}. Analysts caution that lists of districts without a Republican or without a Democratic candidate do not automatically equate to states without party representation; one must check the entire delegation for each state. The November and December 2024 compilation that explicitly counted state delegations remains the direct source for the seven-state figure ^{[1] [2]}.

4. What drove single-party delegations in these seven states in 2024

The seven all-Democratic delegations reflect a mix of structural and electoral factors: urban concentration of Democratic voters, incumbency advantages, and redistricting outcomes that left Republican candidates uncompetitive in multiple districts ^{[3] [2]}. Several races in 2024 had no Republican challenger on the ballot in districts within these states, lowering the chance for any GOP member to be elected to the state’s delegation ^[3]. Court-ordered map changes in a handful of states and localized political realignments also played roles, but the immediate mechanism was that Democratic candidates won all available seats in those states in the 2024 cycle ^[2].

5. Caveats, timing, and what could change the count

The seven-state figure reflects the post-2024 general-election landscape as reported in late 2024; it is subject to change with special elections, resignations, or party switches that can occur during a congressional term ^[4]. Official membership snapshots compiled by the Library of Congress and CRS in 2025 reiterate national totals and note vacancies, underscoring that midterm shifts can alter delegation makeups after the November elections ^[4]. Readers should treat the seven-state count as the accurate post-election tally documented in November–December 2024 reporting, while recognizing that membership can change over time.

6. Bottom line — verified count and where to look next

The best-supported, contemporaneous count shows seven states with no Republican U.S. House members after the 2024 elections: Connecticut, Delaware, Hawaii, Massachusetts, New Hampshire, New Mexico, and Rhode Island ^{[1] [2]}. For ongoing verification, consult state-by-state delegation tables maintained by Ballotpedia and the Library of Congress membership profiles, and watch for CRS updates and special-election results that can change the count during the 119th Congress ^{[3] [4]}.