Kavanaugh was sworn in shortly after the Senate voted 50-48 in his favor - a move that cemented the high court's shift to the right under the Republican leader, who has chosen two of the nine sitting justices. The ceremony will take place at the court and will allow Kavanaugh to "begin to participate in the work of the Court immediately", a press release stated.
With Kavanaugh taking a seat on the bench, the court is now majority conservative.
Senate Majority Leader Mitch McConnell told The Washington Post that the protests against Kavanaugh have been a "great political gift" to the Republican Party. Joe Manchin (D-W.Va.), who voted with the Republicans despite "reservations" about Kavanaugh's character and the accusations against him.
Ford accused Kavanaugh of sexually assaulting her at a party when the two were in high school.
The intense debate over sexual misconduct allegations against Kavanaugh gripped the American public for weeks, bringing protesters out in force on Capitol Hill and across the country, including near the homes of lawmakers.
But the saga - fueled by ugly accusations and counter-claims aired at nationally televised hearings, followed by an 11th-hour Federal Bureau of Investigation probe to address the assault allegations - has inflamed political passions.
The new profile of the court immediately makes Trump a consequential president, for all of the chaos and discord that rages around his White House, and means his legacy will include an achievement that eluded previous Republican presidents - all of whom had more authentic conservative credentials.
The Senate vote delivered an election-season triumph to President Donald Trump that could swing the court rightward for a generation after a battle that rubbed raw the country's cultural, gender and political divides.
Retired Supreme Court Justice Changes Mind on Kavanaugh
And with a confirmation vote coming as soon as this weekend, they're running out of time to change their minds. Though a Republican, he sided with the liberal judges in dissenting on Bush v.
Collins reviewed the results of the investigation, which included testimony from 10 different witnesses but not from Ford or Kavanaugh, on Friday.
The swearing in of Kavanaugh as the Supreme Court judge comes after weeks of bitterly fought battle between the ruling Republican and the opposition Democratic parties. But two other key senators, Senators Susan Collins of ME and Joe Manchin of West Virginia, voted for cloture, with Collins indicating that she would announce her final decision on how to vote by 3 pm on Friday.
Michael Bromwich, a lawyer for Ford, said in a tweet that Kavanaugh's confirmation capped, "A week that will live in infamy for the U.S. Senate, permanently diminishing its stature".
Their vote, which was paired because Daines could not attend, maintains the same two-vote margin and does not change the outcome.
As protesters chanted "Shame!" and "November is coming!" police took several dozen demonstrators down the steps and put them in plastic flex-cuffs.
Hundreds of protesters against Kavanaugh gathered on the grounds of the Capitol and at the Supreme Court.
When Vice-President Mike Pence, who presided over the vote, exited the Senate, he was loudly booed and heckled by onlookers outside until he ducked into his limousine.
"They've always said the biggest thing a president can do is Supreme Court justice". McConnell extolled Kavanaugh as a "superstar, a serious scholar" who is "legendary for his preparation and possesses the qualifications, the temperament and judicial philosophy" to be a brilliant justice.
There are no shortage of cases that Kavanaugh could wind up hearing on the Supreme Court where questions about his political preferences would arise. Lisa Murkowski of Alaska was the only Republican who did not vote to confirm; rather than a "no" vote, she voted "present".
The choice of Kavanaugh to replace retired justice Anthony Kennedy was controversial from the start - but the initial focus was exclusively on the conservative views held by the married father of two.