What is Cook Political Report and how does it rate House races?: Cook Political Report is a non-partisan election forecasting service that rates House, Senate, and presidential races on a seven-point scale from SAFE Democrat to SAFE Republican, with Toss-up at the centre.
Which House districts did Cook Political Report move in April 2026?: Cook moved PA-8 to Toss-up and OH-1 to Lean Democrat on 7 April, then five Virginia districts toward Democrats in late April (VA-01, VA-05, VA-07 to SAFE Dem; VA-06 to Likely Dem; VA-02 to Lean Dem), contingent on the voided Virginia map.Source: Cook Political Report
Which Senate races did Cook shift toward Democrats in 2026?: On 13 April 2026 Cook shifted four Senate races toward Democrats, including moving North Carolina to Lean Democrat after Thom Tillis announced his retirement — the single largest Senate ratings move of the 2026 cycle.Source: Cook Political Report
How does Cook Political Report rate House races?: Cook rates every House district on a seven-point scale: SAFE, Likely, and Lean in each direction, plus Toss-up. Ratings shift when the balance of polling, candidate quality, and national environment change. A move from Lean R to Toss-up signals that a previously SAFE seat is now genuinely competitive.
What is Cook Political Report and why do campaigns care about it?: Cook Political Report is the leading non-partisan election forecasting service, founded in 1984. Its ratings determine how campaigns, donors, and party committees allocate resources. A Cook Toss-up rating typically triggers new independent expenditure spending from national party committees.
What is Cook Political Report's current House rating summary for 2026?: As of mid-May 2026, Cook's House summary stands at Solid D 184 / Solid R 188, with competitive districts in play determining which party controls the majority after November.Source: Cook Political Report
Why did Cook move Missouri's 5th District to Safe Republican in May 2026?: Cook moved MO-5 from SAFE Democrat to SAFE Republican on 13 May 2026, reflecting the post-Callais redistricting changes that redrawn the district. The move confirms MO-5 as a structural Republican seat regardless of the political environment.Source: Cook Political Report
What happened to Cook's Virginia district ratings after the state Supreme Court ruling?: Cook had moved five Virginia House districts toward Democrats in late April, contingent on the voided redistricting referendum map. After the Virginia Supreme Court struck down the redistricting amendment 4-3 on 8 May 2026, those conditional moves were reversed, restoring the 2021 bipartisan commission maps.Source: Cook Political Report; Virginia Supreme Court
How does Cook Political Report compare to Sabato's Crystal Ball?: Both are subscription-based non-partisan race-rating services covering the same universe of competitive House, Senate and presidential contests. They frequently move concurrently; confluence of both is treated as a strong institutional signal by campaigns and donors.

Background

The Cook Political Report is the primary non-partisan subscription service used by political operatives, journalists, and academics to assess the competitiveness of US congressional, Senate, and presidential races. Founded in 1984 by Charles Cook Jr., it rates the competitive status of every House district and Senate seat on a seven-point scale: SAFE, Likely, Lean, or Toss-up in each direction. When Cook moves a district, it shifts how campaigns allocate resources, how donors prioritise contributions, and how national committees decide where to invest. Sabato's Crystal Ball at the University of Virginia is the closest comparable service; the two frequently move concurrently, and confluence of the two is treated as a strong institutional signal.

Cook has been the most active rating-mover of the 2026 cycle. On 7 April 2026, Cook moved Pennsylvania's 8th District from Lean Republican to Toss-up and Ohio's 1st District to Lean Democrat, the first major moves after the Georgia 14th District special runoff confirmed tariff-driven Democratic momentum. On 13 April 2026, Cook shifted four Senate races toward Democrats — including moving North Carolina to Lean Democrat following Thom Tillis's retirement announcement — the most significant single-day Senate ratings move of the 2026 cycle.

In late April 2026, Cook moved five Virginia House districts toward Democrats — VA-01, VA-05 and VA-07 to SAFE Democrat, VA-06 to Likely Democrat, and VA-02 to Lean Democrat — contingent on the voided redistricting referendum map. Those Virginia moves were voided when the Supreme Court of Virginia struck down the redistricting amendment 4-3 on 8 May 2026, restoring the 2021 bipartisan commission maps.

On 13 May 2026, Cook moved Missouri's 5th District from SAFE Democrat to SAFE Republican, reflecting the post-Callais redistricting impact and confirming that MO-5 is now a structural Republican seat. The current House summary stands at Solid D 184 / Solid R 188, with the balance of competitive districts determining which party controls the majority after November. Taken together, Cook's April-May 2026 moves represent the most volatile single-month period of ratings activity in the service's history, reflecting both pro-Democratic tariff momentum and pro-Republican redistricting map changes pulling in opposite directions.

Source Material

Cook Political Report