Although it has been over three weeks since Election Day, there are three House races that are still up in the air.

Republicans have secured their slim House majority of 219 seats while the Democrats have won 213 seats. While the GOP is expected to hold onto yet another narrow majority, several Republicans have been tapped by President-elect Donald Trump to serve in the upcoming administration. With potential House vacancies on the horizon, every race remains crucial for Republicans.

While Republicans have secured a majority in the upcoming 119th Congress, the narrow advantage is shrinking.

In California's 13th congressional district, Republican incumbent Rep. John Duarte is hoping to fend off Democratic challenger and former Rep. Adam Gray. The two candidates are currently less than 200 votes apart, with Gray inching ahead of Duarte.

Gray previously represented California's 13th congressional district from 2012 to 2022 when Duarte unseated the Democrat. Duarte defeated the then-incumbent by just 564 votes, making him the first Republican to win the district since 1974.

The district has historically been held by Democrats, and Gray is still within striking distance of Duarte, making this one of the closest House races to date.

Further south in California's 14th congressional district, Republican incumbent Rep. Michelle Steel is falling behind Democratic challenger Derek Tran. Tran has pulled ahead of Steel with an approximate 600-vote margin.

Steel was first elected to represent California's 45th congressional district in 2022. The seat was previously held for three terms by Democratic Rep. Katie Porter, who has since represented California's 47th congressional district after the state redistricted in 2021.

Although the GOP may have lost its footing in two key California seats, Republican incumbent Rep. Mariannette Miller-Meeks has held a narrow lead in the race for Iowa's 1st congressional district. Miller-Meeks is roughly 800 votes ahead of Democratic challenger Christina Bohannan, with just 900 votes estimated to be remaining.

Miller-Meeks was first elected to represent Iowa's 1st congressional district in 2022, defeating Bohannan by nearly seven points. Although the race is much closer this time around, Miller-Meeks still has a shot at holding onto her seat.

While Republicans have secured a majority in the upcoming 119th Congress, the narrow advantage is shrinking.

Republican Rep. Matt Gaetz of Florida most recently resigned from Congress after Trump nominated him for attorney general. Gaetz later withdrew from his Cabinet bid but reaffirmed that he had no intentions of returning to Congress, leaving the seat vacant.

Fellow Floridian and Republican Rep. Mike Waltz was also tapped by Trump to serve as national security adviser in the upcoming administration. Waltz has confirmed that he intends to resign the day Trump is inaugurated on January 20.

Republican Rep. Elise Stefanik of New York was also recruited by Trump to serve in the next administration as U.N. ambassador. Although she has not yet indicated when she intends to resign, the GOP is anticipating her vacancy.

With the two Florida seats scheduled for special elections on April 1, House Republicans are bracing themselves for an estimated one-seat majority for the first two months of the 119th Congress.

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