Several members the Marquette United Girls U-17 team said they followed the USA team through the tournament.
Even before the World Cup ended, more than 50 members of Congress signed a letter sent by the Democratic Women's Caucus to U.S. Soccer Federation President Carlos Cordeiro expressing disapproval of the "inequities in pay publicity and investment" that the U.S. women's team faces.
At a City Hall rally after the parade, de Blasio, also a Democrat, honored the team with symbolic keys to the city, saying it "brought us together" and "showed us so much to make us hopeful".
The issue regarding equal pay for the USWNT remains a complex one. The crowd cheered as marching bands and women on motorcycles escorted the floats carrying the players, coaches and staff up Broadway to City Hall, a path dubbed "the Canyon of Heroes".
The last ticker tape parade was held in July 2015 after the women' national team defeated Japan 5-2 to win the World Cup, according the Alliance's records.
Prather, attending the parade with his newborn, said "it's about time" women are paid the same as men.
PSG will 'take action' after Neymar's no-show
Neymar was in Brazil over the weekend to watching his beloved national team beat Peru in the final of the Copa America. Paris Saint-Germain regrets this situation and will be taking appropriate measures as a result.
Watch the parade in the video above. After teasing him slightly for getting interrupted with chants - "Everybody in the position of power gets booed" - Rapinoe said she was going to endorse Cordeiro.
This route is known as the Canyon of Heroes - the location of Olympic team celebrations and other ticker tape parades - and will commemorate the soccer team's fourth World Cup title since 1991. Rapinoe said on "Good Morning America" on Tuesday after returning to the U.S.
Earlier, team members joined New York's governor as he signed a law expanding gender pay equality in the state.
The ticker-tape parade is a NY tradition dating back to the 19th century. In recent decades, the honor was been reserved for championship teams, including the New York Yankees and New York Giants. I think when it was happening, we did keep a really tight bubble and the whole group was so supportive of me but it did feel positive, in a way.
The ladies have been partying in NYC all week and ET spoke with them on Tuesday about their big win and all the celebrity support they received throughout the tournament.
Colorful confetti is already drifting down from office buildings as the parade gets ready to start.