The Cook Political Report’s PVI Map and District List provides the current Partisan Voting Index (PVI) rating for every U.S. House district and state. While the full interactive list requires login, this is Cook Political Report’s primary reference for official PVI values used for election analyses heading into each election cycle, including 2026.

The Cook Political Report’s 2026 House race page for Texas’ 23rd Congressional District describes the race as "Texas TX-23 House 2026" and notes the seat is "Vacant" after Tony Gonzales (R) resigned on April 14. The race rating section lists the district as "Solid R" in its March 12, 2026 update, reflecting Cook’s assessment of the district’s Republican lean, which is informed in part by its current PVI.

The Cook Political Report with Amy Walter describes itself as "an independent, non-partisan newsletter that analyzes state, federal and presidential elections." It explains that among its tools is the Cook Partisan Voting Index (PVI), which provides partisan scores for each congressional district and state based on recent presidential election results. The site emphasizes that the PVI ratings are updated periodically to reflect new election data and redistricting, and that these ratings are used widely by analysts and media to describe district partisanship, including ratings such as R+7 for individual districts.

This page provides official federal campaign finance data for the 2026 election in Texas's 23rd Congressional District. It lists the candidates, their committees, and financial totals. While the Federal Election Commission does not publish Cook Partisan Voting Index ratings, its data confirm the status of TX-23 as a federal congressional district contested in the 2026 cycle, which is the context in which PVI ratings are applied by outside analysts.

Reporting on the 2026 vacancy and upcoming special election in Texas’ 23rd Congressional District, The New York Times describes the district as "solidly Republican" and notes that, according to the Cook Partisan Voting Index, the seat is several points more Republican than the nation as a whole. The story references Cook’s PVI figures in explaining the district’s partisan tilt.

Ballotpedia summarizes the Cook Political Report’s Partisan Voter Index (PVI) values for each congressional district based on presidential election results. In its Texas table, Texas’ 23rd Congressional District is listed with a PVI of "R+1" and a Republican incumbent, based on an earlier Cook PVI release following the 2016 and 2020 presidential elections.

In its explainer on Texas’s 23rd Congressional District, The New York Times describes the seat as a competitive, majority-Hispanic border district with a modest Republican lean. The article notes that election handicappers use metrics such as the Cook Partisan Voting Index to gauge the underlying partisanship of districts, and that TX-23 has been rated as a slightly Republican-tilting seat rather than a strongly Republican one in recent cycles.

The article explains that the Cook Partisan Voting Index (PVI) "is a measurement of how strongly a United States congressional district or state leans toward the Democratic or Republican Party, compared to the nation as a whole." In the district table drawn from Cook Political Report data, Texas 23 is shown as "Texas 23 | R+7 | Republican", indicating a PVI of R+7 for that district in the most recent update.

The infobox for Texas’s 23rd congressional district lists the Cook PVI as "R+7". The article notes the district stretches across the southwestern portion of Texas and has been vacant since Representative Tony Gonzales resigned in 2026, but identifies its partisan lean using the Cook Partisan Voting Index as R+7, reflecting the most recent Cook Political Report data.

Ballotpedia’s profile of Texas’ 23rd Congressional District states: "Heading into the 2024 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district is R+5." It also notes that "Heading into the 2022 elections … the Cook Partisan Voter Index for this district was R+5" and that "Heading into the 2018 elections … the Cook Partisan Voter Index for this district was R+1," showing how the Cook PVI for TX-23 has changed over time in earlier cycles.

The New York Times interactive page for Texas’s 23rd Congressional District in 2026 provides polling data and contextual information about the race. In its description of the district, the page notes its partisan lean and references the Cook Partisan Voting Index, stating that Cook rates TX‑23 as a slightly Republican‑leaning seat based on its current PVI value, which helps explain the expectations for the 2026 contest.

CQ Roll Call’s race profile for Texas's 23rd Congressional District in the 2026 cycle describes the partisan lean of the seat using common rating tools such as the Cook Partisan Voting Index. The profile notes that TX-23 has a slight Republican edge in its baseline presidential performance according to PVI, making it a competitive but Republican-leaning district in recent election cycles.

270toWin presents the latest 2026 House ratings from the Cook Political Report using an interactive map. Each district can be clicked to view its rating category and underlying data, including references to the Cook Partisan Voting Index. The site explains that the PVI is a tool developed by the Cook Political Report to describe how strongly a United States congressional district leans toward one party compared to the nation as a whole.

Ballotpedia’s page on the 2026 election for Texas' 23rd Congressional District provides information on the candidates and the general election context. While this election-specific page focuses on the 2026 race rather than historical PVI data, Ballotpedia links back to its district profile, where the Cook Partisan Voting Index is reported as R+5 heading into the 2024 elections based on 2016 and 2020 presidential results.

In its discussion of a House race, the Club for Growth PAC notes that the contest "remains one of the most competitive House races in the country, with a Cook PVI of R+5." The endorsement list uses Cook PVI ratings to describe the partisan lean of districts where its endorsed candidates are running, indicating reliance on Cook’s latest published figures for competitive seats. The cited "R+5" example underscores how campaign groups reference Cook PVI values when discussing the competitiveness of districts, although this specific sentence refers to a different district than Texas’s 23rd.

By standard Cook Political Report methodology, a new PVI update for the 2026 cycle would use the 2024 and 2020 presidential election results. Historically, Cook’s district list and map are the authoritative source for the exact numeric PVI for each district; secondary sources such as Wikipedia typically reflect those official Cook values once updated, but can lag or contain errors before verification.

A post dated January 20, 2026 in a Facebook group sharing Cook Political Report content links to Cook’s latest House analysis. The shared text highlights that the Cook Political Report has updated its House race ratings and references the use of the Cook PVI figures as the baseline for judging whether districts like TX‑23 are competitive or lean toward one party, pointing readers to Cook’s site for the detailed PVI numbers.

A user-generated post titled "Shift in Cook Partisan Voting Index by Congressional District: 2023 to 2025" shares a map and discussion of changes in Cook PVI scores. The author states that the data source is "https://www.cookpolitical.com/cook-pvi/2025-partisan-voting-index/district-map-and-list" and notes: "This does account for boundary changes." Commenters discuss how individual districts’ PVIs shifted between the earlier and 2025 updates, implying that some seats, including in Texas, saw their partisan ratings adjusted (e.g., moving from R+5 to R+7) as Cook recalculated PVIs after redistricting and recent presidential results.