A graduate of Princeton Community High School, she played college basketball for the Notre Dame Fighting Irish, reaching two NCAA finals and winning one in 2018.

She won a gold medal in Women's 3x3 basketball at the 2020 Summer Olympics and a national WNBA championship in 2022.

She finished as the leading scorer (girls' or boys' basketball) in Indiana high school history with 3,268 points, eclipsing the 26-year-old record set by Damon Bailey.

Overall, Young averaged 30.8 points, 10.3 rebounds, 5.5 assists and 3.5 steals per game, while shooting .583 from the field, .382 from beyond the arc and .858 from the free-throw line.

Young led her team to a 27–1 record in her senior season, ranking third in the state and ninth in the nation in scoring with 34.9 PPG.

Young played three seasons of college basketball for the Notre Dame Fighting Irish between 2016 and 2019, where she won an NCAA championship as a sophomore in 2018.

[4] Young had the option to remain at Notre Dame for the 2019–20 college season, but opted to enter the 2019 WNBA draft where she was selected with the first overall pick by the Las Vegas Aces, coached by Bill Laimbeer.

[1] In February 2020, Young joined Turkish side Elazığ,[14] but her time there lasted only two games due to the coronavirus-induced cancellation of the league.

[25][26] On July 18, 2024, it was announced that Young would appear and play in the inaugural season of Unrivaled, a new women's 3x3 basketball league founded by Napheesa Collier and Breanna Stewart.