The timeline for determining control of the U.S. Congress in this year's midterm elections hinges on how close the key contests turn out. If current polling projections hold, the House of Representatives could be decided by tonight, while the Senate might be settled early Wednesday morning. However, if critical races remain tight, final results for the Senate could take days or even weeks to confirm, with similar delays possible for the House.
To secure a majority in the House, Democrats need 218 of the 435 seats. As of late October, models from Silver Bulletin and The Economist assigned them a 95% probability of achieving this, while Decision Desk HQ estimated an 80% chance. The Senate race is more competitive; Republicans currently hold 53 seats and need 50 to maintain control, as Vice President J.D. Vance can break ties. Democrats require 51 seats, meaning they must win four more seats than they lose.
According to El País polling averages, Democrats lead in North Carolina, Ohio, Maine, Texas, Kansas, Alaska, and Iowa, all currently held by Republicans. However, margins in Kansas, Ohio, Texas, and Maine hover around three points, while Alaska shows a one-point gap and Iowa less than half a point. These narrow margins fall within the typical margin of error for polls.
Results will begin rolling in as polling stations close, following Eastern Time. At 18:00, partial counts start in parts of Kentucky and Indiana. By 19:00, results from Georgia and Virginia emerge; Jon Ossoff holds a nine-point lead in his Senate race in Georgia, making it a key indicator for Democrats. At 19:30, North Carolina and Ohio report, serving as the first major test for the Senate. Roy Cooper leads Michael Whatley by about 11 points in North Carolina, while Sherrod Brown holds a three-point advantage over Jon Husted in Ohio. A win for Brown would clear the path for Democrats, whereas a loss would require them to win nearly every other competitive race.
At 20:00, Pennsylvania, Florida, New Jersey, Maine, and New Hampshire release data. In Maine, Susan Collins trails Troy Jackson by three points, but the state's ranked-choice voting system could delay results for days if no candidate reaches 50%. The decisive hour for the Senate arrives at 21:00 with results from Texas, Iowa, Kansas, Michigan, Minnesota, and Nebraska. In Nebraska, independent Dan Osborn trails Republican Pete Ricketts by less than two points. Key House districts in New York, Wisconsin, Arizona, and Colorado also report around this time.
Later counts include California, Washington, and Oregon at 23:00. California is known for slow counting, which could delay House results if the race remains tight. At 01:00, Alaska reports, where Mary Peltola and Dan Sullivan are nearly tied; the state typically takes about two weeks to finalize its count.
Three scenarios are possible. A "Democratic night" would see quick wins for Cooper and Brown in North Carolina and Ohio, along with victories for James Talarico in Texas and Josh Turek in Iowa, allowing Democrats to secure the four Senate seats needed by early morning without waiting for Maine or Alaska. An "tight night" scenario would leave the Senate undecided until Maine and Alaska report, potentially delaying results until the following weekend or later, as seen in 2022. If Republicans hold Ohio with Husted and Maine with Collins, Democrats would need to win almost all other close races, possibly allowing Republicans to secure the Senate by early morning once Texas and Iowa results are known.
Voters and analysts should exercise patience with early numbers. States count advance, in-person, and mail-in ballots in different orders, which can create temporary advantages for one party that may disappear as the full count is completed.
Sources: El País Portada.