Prosecutors in Manhattan accused Trump, the first sitting or former U.S. president to face criminal charges, of trying to conceal a violation of election laws during his successful 2016 campaign.
"Not guilty," Trump, 76, said when asked by the judge in court how he pleaded.
The front-runner in the race for the Republican nomination in 2024, Trump responded with answers like "yes" when the judge asked him if he understood a right.
Prosecutor Chris Conroy said: "The defendant Donald J. Trump falsified New York business records in order to conceal an illegal conspiracy to undermine the integrity of the 2016 presidential election and other violations of election laws."
While falsifying business records in New York on its own is a misdemeanor punishable by no more than one year in prison, it is elevated to a felony punishable by up to four years when done to advance or conceal another crime, such as election law violations. The two women in the case are adult film actress and former model.
He flew home to Florida where he addressed family, friends and supporters on Tuesday night, delivering a litany of grievances against investigators and prosecutors and rival politicians.
“Victim of election interference”
Trump described the New York prosecution as election interference. He lashed out at New York prosecutor Alvin Bragg for bringing criminal charges against him and declared himself the victim of election interference without offering evidence.
"I never thought anything like this could happen in America," Trump told supporters. "The only crime that I've committed has been to fearlessly defend our nation against those who seek to destroy it."
Prosecutors during the arraignment said Trump made a series of social media posts, including one threatening "death and destruction" if he was charged. The judge asked the parties to "please refrain from making statements that are likely to incite violence or civil unrest."
He faces a separate criminal probe by a county prosecutor in Georgia into whether he unlawfully tried to overturn his 2020 election defeat in the state. He also faces two U.S. Justice Department investigations led by a special counsel into attempts to overturn the 2020 election results and his handling of classified documents after leaving office.
Despite launching a tirade against prosecutors, he did not call for new protests from his supporters. And while he is expected to return to the campaign trail soon, he gave no details of that.
Trump reached deep into his well of personal grievances to declare himself hounded by political opponents using the legal system against him to try to stop him from winning back the White House in 2024.
"They can't beat us at the ballot box so they try to beat us through the law," Trump said.