House Democrats' campaign arm outraised its GOP counterpart in June, bringing in $3 million more last month.

The Democratic Congressional Campaign Committee (DCCC) announced that it raised $10.7 million in June, compared to the National Republican Congressional Committee’s (NRCC) $7.5 million haul that same month.

The DCCC touted that it raised about $4 million online last month, which boosted its online fundraising in 2017 to $26.3 million. To date, the DCCC’s 2017 fundraising is nearly $60 million, and the committee has more than $21 million cash on hand.

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“The DCCC’s record-breaking June fundraising ... is a reflection of the massive amount of Democratic energy and widespread rejection of the Republican agenda,” said DCCC spokesman Tyler Law. “These grass-roots supporters will help to sustain our momentum across the largest battlefield in a decade and keep the House in play.”

Meanwhile, the NRCC’s latest fundraising is the committee’s best off-year June haul since 2005, according to the Washington Examiner. The NRCC has $33.7 million in the bank, which gives them a cash advantage over the DCCC. And Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) transferred $2 million to the committee in June.

"Fundraising is the ultimate team effort, and the NRCC and House leadership is firing on all cylinders,” NRCC chairman Steve Stivers said, according to the Examiner. “With a record-breaking first half of the year in the books, we're committed to continuing our push toward a successful 2018 cycle.”

Both committees are ramping up ahead of the 2018 midterm elections as the parties vie for the House majority.

Democrats will need to flip 24 seats to regain control of the lower chamber. They will need to flip key swing seats which include GOP-held districts won by Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE as well as seats carried by President Trump.

But House Democrats are feeling emboldened by the current political environment, and even after four losses in this year's special elections, the DCCC's chairman declared the House in play in 2018.

House Republicans will be mostly defending seats to protect their majority, but they have also targeted a number of Democratic-held seats that they are hoping to flip to extend their majority.