12 House seats remain undecided, 2024 results pending one week post-Election Day

It’s been a week since Election Day in 2024, and while the results for the White House and the Senate have been determined, there are still a few races for the U.S. House of Representatives that are outstanding. These results will determine the Republicans’ margins in the lower chamber of Congress.

President-elect Donald Trump emerged victorious over Vice President Kamala Harris in the presidential race, and the Republicans are set to control at least 52 seats in the Senate. With control of the House leaning towards the Republican party, they are just three seats away from the 218 needed to secure the majority.

The majority of the undecided House races are in California, where state law allows for mail-in ballots to be postmarked by Election Day and received by county election offices up to seven days after the election. This has resulted in many votes still being counted in these races.

As the votes continue to be tallied in seven states where the winners of congressional races have not yet been projected, Congress has returned to Washington for the first time in weeks. Republicans are moving forward with leadership elections, with House Speaker Mike Johnson and Majority Leader Steve Scalise expected to retain their positions atop the Republican conference. However, Trump’s selection of conference chair Rep. Elise Stefanik as U.S. ambassador to the United Nations has created an open seat in GOP leadership.

Here is an overview of the outstanding House races as of Tuesday, November 12:

Alaska At-Large:
Republican Nick Begich is leading incumbent Democrat Rep. Mary Peltola by over 10,000 votes with 71% of the estimated vote total reported. If Begich defeats Peltola, it would be a GOP pick-up in the House, as Alaska uses ranked-choice voting.

Arizona’s 6th Congressional District:
Incumbent Republican Rep. Juan Ciscomani is leading Democratic opponent Kirsten Engel by 4,900 votes with 86% of votes counted. The race is currently considered a toss-up.

California’s 9th Congressional District:
Incumbent Democrat Rep. Josh Harder is ahead of Republican Kevin Lincoln by more than 7,000 votes, with 71% of votes reported. The race is leaning Democrat.

California’s 13th Congressional District:
Freshman GOP Rep. John Duarte leads Democratic challenger Adam Gray by nearly 3,000 votes, with 57% of votes in. Gray lost to Duarte by less than 600 votes in 2022.

California’s 21st Congressional District:
Incumbent Democrat Rep. Jim Costa is leading Republican Michael Maher by over 1,300 votes, with 64% of votes reported. The race is leaning towards Costa.

California’s 41st Congressional District:
Incumbent Republican Rep. Ken Calvert is ahead of Democratic opponent Will Rollins by more than 7,500 votes, with 81% of votes reported. The race is leaning Republican.

California’s 45th Congressional District:
GOP incumbent Rep. Michelle Steel is leading Democrat Derek Tran by 3,900 votes, with 84% of votes reported. The race is considered a toss-up.

California’s 47th Congressional District:
Democratic Rep. Katie Porter’s seat is being contested by Democrat David Min and Republican Scott Baugh. Min is ahead by over 3,200 votes with 84% of votes reported. The race is leaning towards Min.

Iowa’s 1st Congressional District:
Republican Rep. Mariannette Miller-Meeks is leading Democrat Christina Bohannan by 796 votes in a race characterized as a toss-up.

Maine’s 2nd Congressional District:
Democratic Rep. Jared Golden is ahead of Republican Austin Theriault by over 2,100 votes, with 99% of votes reported. The race is leaning towards Golden, and a ranked-choice runoff will determine the final outcome.

Ohio’s 9th Congressional District:
Democratic Rep. Marcy Kaptur is leading Republican Derek Merrin by more than 1,100 votes, with 94% of votes reported. The race is considered a toss-up.

Oregon’s 5th Congressional District:
GOP incumbent Rep. Lori Chavez-DeRemer is trailing Democrat Janelle Bynum by over 10,000 votes, with 88% of votes reported. The race is leaning towards Bynum.

As these races are still being decided, the final composition of the House of Representatives hangs in the balance. Stay tuned for more updates as the results continue to come in.

This report was contributed to by Caitlin Yilek and Melissa Quinn, politics reporters for CBSNews.com. Melissa Quinn covers U.S. politics with a focus on the Supreme Court and federal courts. For more election coverage and updates, visit CBS News’ dedicated 2024 Election page.

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