Democrats are inching closer to taking back the House majority for the first time since 2010, with the party flipping at least 17 seats and leading in more than a dozen other races.

Fox News projected that Democrats would win the House, while NBC News predicted the party was likely to take over the House. The party needs five more seats for the House majority, as Democrats continue to dominate in suburban districts Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE carried in 2016.

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Democrats had won key swing seats in New Jersey, Michigan, Florida, Pennsylvania, New York and Colorado. They are ahead in more than a dozen other races and also have their eyes on additional gains in California, where polls have yet to close.

Networks projected early in the night that Democrat Jennifer Wexton would defeat Rep. Barbara Comstock Barbara Jean ComstockLive coverage: House holds third day of public impeachment hearings Gun debate raises stakes in battle for Virginia legislature Progressives face steep odds in ousting incumbent Democrats MORE (R-Va.) in a critical race in the Washington, D.C., suburbs, and that Democrat Donna Shalala would defeat Republican Maria Elvira Salazar in a fight to win an open seat vacated by retiring Rep. Ileana Ros-Lehtinen Ileana Carmen Ros-Lehtinen'Trump show' convention sparks little interest on K Street Shalala to face Salazar in Florida rematch TechNet hires Hispanic communications director MORE (R).

Both Shalala and Wexton were favored to win their races, as the two districts were both won by Democratic presidential nominee Hillary Clinton in 2016 over President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE.

Democrats pulled off big victories in Miami, with Democrat Debbie Mucarsel-Powell knocking off moderate Rep. Carlos Curbelo Carlos Luis CurbeloGOP wants more vision, policy from Trump at convention Mucarsel-Powell, Giménez to battle for Florida swing district The Memo: GOP cringes at new Trump race controversy MORE (R-Fla.). The party also flipped seats in key suburban seats, toppling Rep. Kevin Yoder Kevin Wayne YoderBottom line Amanda Adkins wins GOP primary to challenge Rep. Sharice Davids Sharice Davids to vote for Trump impeachment articles: 'The facts are uncontested' MORE (R-Kan.) in the Kansas City suburbs and claiming retiring Rep. David Trott's (R-Mich.) open seat.

The party is also starting to make gains in Pennsylvania, a state that became promising for Democrats' majority hopes after court-ordered redistricting. Democratic civil rights attorney Mary Gay Scanlon easily won in Pennsylvania's 5th District. And Rep. Conor Lamb (D-Pa.) won a full term in the newly created 17th District.

At the Democrats’ watch party at the Hyatt Regency in D.C., party leaders were still guaranteeing victory, even after some early pickup opportunities had slipped through their fingers.

“I am confident the Democrats will win the majority,” said Rep. Ben Ray Luján (N.M.), chairman of the Democratic Congressional Campaign Committee.

House Minority Leader Nancy Pelosi Nancy PelosiPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare House lawmakers reach deal to avert shutdown Centrist Democrats 'strongly considering' discharge petition on GOP PPP bill MORE (D-Calif.) echoed that message.

“When the Democrats win — and we will win tonight — we’ll have a Congress that is open, transparent and accountable to the American people,” she said.

“We will strive for bipartisanship, seeking common ground, as we are responsible to do,” she added. “But when we can’t find that common ground, standing our ground.”

At the same time, Republicans have hope that the big blue wave Democrats were hoping to see would not materialize.

GOP candidates in Florida won a series of contested races, and in a key race in Kentucky, Rep. Andy Barr Andy BarrPowell, Mnuchin stress limits of current emergency lending programs McConnell holds 12-point lead over Democratic challenger McGrath: poll Democrats fear 2016 repeat despite Biden's lead in polls MORE (R) was projected to defeat Democrat Amy McGrath, a retired fighter pilot.

The suburban Lexington district was viewed as an early predictor of Democrats' performance in these redder districts and whether a blue wave was on the horizon.

In Virginia, Republican Denver Riggleman was projected to defeat Democrat Leslie Cockburn in another race where Democrats had hoped to make gains.

The GOP mood was also bolstered by positive results in the Senate, which the GOP is projected to retain. Republicans had gained two Senate seats as of 10:30 p.m., with a number of contests still in play.

Updated at 10:29 p.m.

Mike Lillis contributed.