History was working against the president in the Senate: 2002 was the only midterm election in the past three decades when the party holding the White House gained Senate seats.
By Election Day, both sides are expected to have spent more than $5 billion, according to the Center for Responsive Politics.
Max Rose is running for Congress. If Democrats' promised "blue wave" materializes, it should be evident.
"If you want to know what socialism looks like, look at Venezuela.Andrew Gillum has been clear what he wants to do with Florida and it will drive people away from Florida", said Trump.
The outcome has serious stakes for the president.
"The House has been a rubber stamp for the Trump agenda". I mean, I only became a citizen a year ago", said Kevin Ombija, a first-time voter originally from Kenya who now lives in Washington, D.C. "Issues of immigrants are very dear to me.
Minority Leader of the House and potential next Speaker Nancy Pelosi gave a speech that exuded confidence of success for the Democrats after her party were projected to take control of the chamber.
Some Democrats and Trump critics have long suggested the records would show the president is not worth as much as he claims.
"Republicans create jobs. Democrats create mobs", Republican National Committee chair Ronna Romney McDaniel tweeted.
In early returns available at 9 p.m., several Democratic candidates in key races were leading.
But when it came to candidates for state Senate, Democratic primary voters threw their weight behind progressive candidates, including 27-year-old democratic socialist Julia Salazar - who actively campaigned on issues like sex workers' rights and racial injustice - and Alessandra Biaggi, another millennial and first-time candidate.
Florida Democratic gubernatorial candidate Andrew Gillum walks with his wife, R. Jai Gillum, and children Caroline and Jackson as he votes, November 6, 2018, in Tallahassee, Fla. She was expected to lose to political newcomer Jennifer Wexton.
"We're not some fringe element of the Democratic Party". Democrats are relying more upon women, people of color, young people and college graduates. Both are Navy veterans. She would replace retiring Rep. Ryan Costello, a Republican. Democrat Tammy Baldwin easily held her seat there and Republican Gov. Scott Walker trails in his bid to be re-elected as governor.
Democrats failed to defeat a vulnerable incumbent in Kentucky, where Republican Rep. Andy Barr won over former Marine fighter pilot Amy McGrath. If Nelson can't hang on to his seat, the math gets tricky for Democrats to retake the Senate majority.
Republicans entered Tuesday with strong prospects of keeping their Senate majority but the victory by GOP challenger Mike Braun over Sen. Other seats in the state were also considered in play.
In North Carolina, Republicans were struggling to hold onto a seat where Baptist minister Mark Harris ousted a GOP incumbent in the primary. Harris was facing a stiff challenge from Marine veteran and small-businessman Dan McCready.
Some of the biggest Democratic stars of the campaign season were struggling.
Immigration, which has been Mr Trump's main focus in the final days of campaigning, is a distant second at 23 percent.
Bernie Sanders, the leftist populist who some feel would have had a better chance than Clinton to take on Trump in 2016, lashed out Monday at the president, calling him a "pathological liar".
The GOP holds the House 75-45. "It's just a very robust class of candidates that really reflects who we are as a country".