That number is up from the 84 women now serving in the 115th Congress.
The newcomer had edged out longtime Congressman Joe Crowley in a Democratic primary earlier this year.
Record numbers of women and ethnic minorities ran for office in 2018, paving the way for a number of historic landmarks on Tuesday night.
Last night, Donna Brazille, a strategist on CNN said a record number of 38 women of color will be serving in Congress (35 Democrats, three Republicans).
With results still trickling in, at least 120 women will serve in Congress, a record 98 in the House of Representatives and 22 in the Senate, says the Center for American Women and Politics at Rutgers University.
In Colorado, Jared Polis will be the country's first openly gay man elected governor.
Rising left-wing rock star Alexandria Ocasio-Cortez made history on Tuesday, November 6, as the youngest woman elected to Congress, in a safe Democratic Party stronghold in New York, US media projected.
In rapid succession, the House got its first two Muslim women: Minnesota's Ilhan Omar and Michigan's Rashida Tlaib.
These new records represent the culmination of a record-setting year for female candidates. Tlaib, a former member of the Michigan House of Representatives, faced two opponents in the race: Green Party candidate D. Etta Wilcoxon and Working Class Party candidate Sam Johnson.
Deb Haaland, also a Native American, was also elected a congresswoman.
Comparing how many of each party's women candidates won their seats, the Democratic women were more successful, particularly in the Senate and House races.
Beyond the Bay State, voters in other states picked Native American and immigrant women as their representatives. "The significance of history is not lost on me, including my personal one". Missouri's Claire McCaskill and North Dakota's Heidi Heitkamp were both vulnerable as Democrats in deep red states, and a lot of people are pointing to their votes against Brett Kavanaugh as what cost them their elections.
Texas is sending its first ever Hispanic women to congress, as Veronica Escobar snapped up Beto O'Rouke's old seat and state Sen.
That's a big part of the story of 2018: many demographic groups swinging far more Democratic than they did in 2014, a wave year for Republicans.