More than two-thirds of whites without a college degree supported Trump, while just 28 percent of that group backed Clinton. And, shortly before noon, she asked her supporters to do the same.
The Republican nominee's projected victory came down to a handful of key swing states, despite months of polling that favoured Mrs Clinton. She was leading the nationwide popular vote.
The real estate mogul also pledged to "deal fairly with everyone", including "all other nations".
He would inherit a nation deeply divided by economic and educational opportunities, race and culture.
Senate control means Trump will have great leeway in appointing Supreme Court justices, which could mean a shift to the right that would last for decades.
Trump said he has a great economic plan and his administration will double the growth and make the country the strongest economy anywhere in the world. "If I win, I am going to instruct my attorney general to get a special prosecutor to look into your situation because there has never been so many lies, so much deception. You will certainly have some constituents out there who are going to feel pretty alienated by the results of this election", Smith said.
The New York Times and the Boston Globe both described how Trump's victory "shocked" the whole country.
"They are upset for a number of reasons". Six in 10 voters said the country is on the wrong track.
Trump, a reality television star and political neophyte, upended every rule in the book to clinch his victory.
He added that "we owe her a major debt of gratitude" for her service. But Donald Trump won blue states. "The mistake we made is that people would ignore that part and just focus on the negative", said Democratic strategist Chris Kofinis, who was not affiliated with the campaign. "They want to see big changes happening", said Fischer.
Donald Trump is the president-elect of the United States of America, and he did it by completely blowing up the electoral map and all of our projections and expectations of it. I don't want to see our country torn apart. Clinton conceded the presidency to Donald Trump in a phone call early Wednesday morning, a stunning end to a campaign that appeared poised right up until Election Day to make her the first woman elected US president. "This country is very polarized".
Beverly Minardi said she'd been hounded by reporters all day.
Similar to what Obama and Clinton have endorsed, Trump promised to "put millions of people to work" by rebuilding "our highways, bridges, tunnels, airports, schools, hospitals".
The first polls have closed in Tuesday's presidential election, setting Hillary Clinton and Donald Trump on a race to clinch a majority of electoral votes.
Among nonwhite voters, Clinton led Trump by 54 percentage points, a whopping advantage but one that was significantly smaller than Obama's 61-point margin in 2012, according to preliminary exit poll data.
Meanwhile, Trump supporters in Calgary were overjoyed.
Let's get those votes counted, and let's bring this home.
The next president of the United States, Donald Trump.
Mr Trump, a populist billionaire, provoked controversy on the campaign trail for comments about women, Muslims and a plan to build a wall along the US-Mexican border.