Control of the House would give Democrats the ability to launch investigations into the president and stymie his agenda.
"Tremendous success tonight. Thank you to all!" the president wrote on Twitter. Contributor Stephanie Ruhle said Trump's tax loopholes are immoral and below the office of the presidency, but said Trump likes to suggest it's "clever" how he games the system.
But while Trump's plays to his most loyal supporters helped rev up the crowds in small towns and rural areas in red states, they were viewed as a turnoff to moderates, independents and women in the suburban districts needed to keep the House in GOP hands.
In Tuesday night's initial results, three GOP state House candidates from King County - along with Sen.
Critics, including the Democrats, accused Trump of employing racist and xenophobic rhetoric that incited violence, a charge he and many of his fellow Republicans rejected.
Pelosi has been criticized by a vocal group inside the caucus as being out of touch with her changing party and unwilling to provide opportunities to newer members. Pelosi said Americans have all "had enough of division".
House Minority Leader Nancy Pelosi, who may be selected to once again become Speaker of the House, has downplayed talk of impeaching either man, but conservatives have argued those assurances were merely meant to hide Democrats' true intentions so as not to provoke more Republican voter turnout.
But the GOP solidified their Senate majority after an acerbic midterm election that enshrined America's deep political divides and shaped a highly contentious battleground for the stirring 2020 presidential race.
Tuesday's elections will determine control of Congress in the final two years of Trump's term, and about 7 in 10 in voters said which party will hold control was very important as they considered their vote. Hispanic voters favored Democratic House candidates by 33 percentage points - higher than the 18-percentage point gap that Democrats enjoyed in 2014, the poll found. At least 28 of them were elected to the House for the first time.
And in the Midwest a onetime Somali refugee, Ilhan Omar, and Rashida Tlaib, who is the daughter of Palestinian immigrants, shared the historic distinction of becoming the first two Muslim women elected to the US Congress. Such a development would divide control of the U.S. legislature and hinder President Donald Trump's policy agenda for the next two years.
Charlie Nicholas states his prediction for Red Star Belgrade v Liverpool FC
We had moments, we had kind of nearly-chances, the biggest in the last two three minutes and before that not enough. And it has ultimately left Liverpool with real work to do in their final games away to PSG and at home to Napoli.
That divide could make it hard for House Democrats to unify around an agenda.
"We won back the House because our candidates had a clear message for working families and refused to let Trump and the GOP distract us from the issues that matter most. We believe that the economy should work for everyone, not just those at the top", Perez said. Senate Republicans are projected to maintain and perhaps expand their majority.
Nate Silver, election forecaster and founder of Five Thirty Eight, said: "No one should be surprised if [Democrats] only win 19 seats".
For Democrats, the road to the 218-seat majority ran through the two dozen suburban districts Clinton won and through swaths of Trump country in the Rust Belt and heartland where voters backed the president two years ago.
"I'm not on the ballot, but in a certain way, I'm on the ballot", Trump said in October.
As the first polls were closing Tuesday, spokeswoman Sarah Huckabee Sanders issued a statement reinforcing Trump's point.
Trump has headlined 30 rallies in two months and packed out arenas of adoring fans.
Voting in Chicago, James Gerlock, 27, a Republican, said he wanted to see more of the soaring economic growth that Trump says is the fruit of his business-friendly policies. "Democrats have a number of paths to the 23 seats they need". Immediately following the primary, the president came in and unified the party.
The Democrats also won some of the high-profile governor's race including Kansas, Illinois, Michigan and Minnesota. But the GOP gained ground in the Senate and preserved key governorships, beating back a "blue wave" that never fully materialized.