He also plans to head to New Hampshire on President's Day weekend. At 49, he is the youngest among his Senate colleagues in the race.
"If Cory Booker is the future of the Democratic Party", Trump tweeted in 2016, "they have no future". Booker has also been praised for his tough questioning of Trump administration appointees, like Justice Brett Kavanaugh, in his role as a member of the Senate Judiciary Committee.
"I know more about Cory than he knows about himself."Booker is the second black candidate in the increasingly large and diverse 2020 Democratic primary field.
New Jersey's first black U.S. senator, Booker has compiled a liberal voting record, advocating a $15 an hour minimum wage, criminal justice reform and legalization of marijuana.
As a bachelor, Senator Booker has often faced questions about his sexuality from political opponents and journalists.
Watch the full announcement video below. At least five other Democrats have also declared.
Reflecting its central place in Booker's story, Newark will be the headquarters for his campaign.
It's official: New Jersey's Sen.
A broad theme of Booker's campaign will be restoring unity and common goal to build a fairer nation.
Booker replied that it doesn't matter if he looks authentic, because the policy changes he made were authentic. Booker's entry makes this the first nomination contest with at least two major African American contenders.
It is the first time that more than one woman has competed for the party's candidacy.
United States charges China's Huawei with fraud, theft
They also claim the company and two affiliates committed bank fraud and violated sanctions when it carried out business with Iran. The charges relate to a criminal investigation that stemmed from a 2014 civil suit between the two companies.
Born in 1969 in Washington, Booker enjoyed a comfortable upbringing in the post-civil rights era, a lot he ascribes to a "conspiracy of love" that enabled his parents to break barriers. Booker served as mayor of Newark from 2006 through 2013.
Booker attended Stanford as a star football recruit, playing for four years but, by his own admission, never breaking through at the college level. Kamala Harris' similar commencement of her presidential run on Martin Luther King Jr. Day.
After graduating from Yale Law School, Booker went to work for a nonprofit that represented tenants against slumlords.
In a poll conducted by CNN in December, Mr Booker was the favourite of just 5 per cent of likely Democratic voters nationwide, behind former vice president Joe Biden, Mr Sanders of Vermont and former US Representative Beto O'Rourke of Texas.
Booker has acknowledged the trope and jokes about it, but he doesn't neatly fit the mold.
While he has been overshadowed nationally in recent weeks as Democrats including Sens.
Conway, who hails from Hammonton, New Jersey, said that the former Democratic mayor of Newark should be asked "what exactly he accomplished" that qualifies him to be president. Where else will Booker gain strength? "And I think that people all across the country are exhausted of how divided Americans have become". Carter, for his part, had urged Booker to run for president. Elizabeth Warren of MA, who've already thrown their hats into the race for the 2020 nomination. Sen.
But Booker makes a distinctly emotional appeal, with soaring, often sermon-like oratory.
"I think a lot of folks are beginning to feel that the forces that are tearing us apart in this country are stronger than the forces that tie us together".
And he has not been cowed by steep political odds before. "If you're exhausted of that bitterness, that trash talking, that trolling, that politics that is a race to the bottom in our country, then don't support me, because I'm not in this race to tear people down".