Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.) is mounting a run for the White House, according to a Politico report, making him one of the first Democrats to challenge 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 in 2020.

An aide to Swalwell declined to confirm the Politico report, but noted that the three-term congressman has raised the prospect of a presidential bid in interviews and television appearances for months.

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The aide said that with the midterm elections out of the way and the recent birth of his second child, Swalwell planned to "hunker down over the next month and consider what to do."

The California Democrat could announce his decision sometime in the first part of 2019, the aide told The Hill.

Swalwell himself would not confirm the report.

"I've asked my mom to stop talking to Politico. Just kidding. No news to report. Yet," Swalwell told The Hill.

“Absolutely I’m looking at it, and I’m going to talk with my family over the holiday,” he told Fox News later in the day.

But in recent weeks, Swalwell's allies have talked up his efforts to raise money for Democrats in Iowa, as well as the fact that he's traveled to the state a dozen times since the start of 2017.

Swalwell and his aides also boosted Democrats Cindy Axne, Abby Finkenauer and J.D. Scholten in their bids for Iowa House seats this year. Both Axne and Finkenauer won their races, while Scholten fell to Rep. Steve King Steven (Steve) Arnold KingTrump, Biden deadlocked in Iowa: poll GOP leader: 'There is no place for QAnon in the Republican Party' Loomer win creates bigger problem for House GOP MORE (R).

He'll make his latest trip to Iowa this weekend when he's set to meet with the Asian and Latino Coalition in Des Moines, as well as the Iowa Democratic Party chairs in Dubuque.

Swalwell also endorsed candidates in Iowa and New Hampshire throughout 2018. Both states are among the first to vote in presidential primaries and caucuses, making them key targets for presidential contenders.

But Swalwell's not the only Democrat crisscrossing key primary states ahead of 2020: Sen. Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Calif.), a rising star in Democratic politics, has made visits to states like Iowa, South Carolina and Florida, while former Vice President Joe Biden Joe BidenOmar fires back at Trump over rally remarks: 'This is my country' Trump mocks Biden appearance, mask use ahead of first debate Trump attacks Omar for criticizing US: 'How did you do where you came from?' MORE, another rumored presidential candidate, has stumped for candidates in key presidential states.

Neither have said yet whether they will mount White House runs.

Updated at 6:23 p.m.