The House board
The House is not thirty-five separate arguments; it is one national argument resolved four hundred and thirty-five times. So the desk publishes the national number it is willing to defend, converts it into seats at a printed rate, and shows the band rather than a point.
Every point of national swing has moved roughly 5.4 House seats across post-war midterms. The desk applies that rate to the same national-swing draw the Senate model uses — one environment, two chambers — rather than estimating 435 races against maps that are still in court.
| National swing | Democratic seats | Chamber | How likely |
|---|---|---|---|
| Under +2.2 to Democrats | below 224 | Straddles 218 | 16% |
| +2.2 to +5.6 | 224–242 | Democratic majority | 34% |
| +5.6 to +9.0 | 242–261 | Democratic majority | 34% |
| Above +9.0 | above 261 | Democratic majority | 16% |
The probabilities in the last column are the same national-swing distribution the Senate model draws from — one shared environment, drawn twenty thousand times, so the two chambers cannot disagree with each other about the year.
The president's party has lost House seats in 19 of the last 21 midterms. That is the single strongest prior in American electoral politics and it is not a partisan claim.
Mid-decade redistricting in several states means the map the country votes on in November is not the map it voted on in 2024. Until every map is final, a national seat forecast is a guess dressed as arithmetic.
Roughly 30 seats decide control. The other 405 are decided already, whatever the coverage suggests.
District-level ratings arrive when the maps are final. Publishing a seat-by-seat House forecast against boundaries still in litigation would be a number the reader cannot trace, and the Standard forbids it. The 2024 district layer is on the reference board in the meantime — certified, drillable, and not a forecast.
The 2024 district layer