Crouse was born on June 23, 1997, in Mount Brydges, Ontario,[1] the youngest child of Mike, a minor ice hockey coach, and Kristen, a school principal.

[6] He received a four-game suspension during the Alliance Hockey playoffs, but returned to score a hat-trick and two additional assists, helping Elgin-Middlesex to defeat Kitchener 9–3 and send the Chiefs to the finals.

On March 4, 2014, Crouse had a season high four point game, scoring two goals and adding two assists, as Kingston lost to the Barrie Colts 7–5.

He recorded his first career OHL hat-trick on November 28, 2014, scoring three goals against goaltender Dawson Carty of the Kitchener Rangers in a 5–0 Frontenacs victory.

On March 29, 2015, Crouse scored his first career OHL playoff goal against Jake Smith of the North Bay Battalion in a 3–2 loss.

In nine post-season games, Crouse scored seven goals and 11 points, as Kingston lost to the Niagara IceDogs in the Eastern Conference semi-finals.

When the Frontenacs were eliminated from the OHL playoffs, Florida assigned Crouse to their American Hockey League (AHL) affiliate, the Portland Pirates, for the remainder of the season.

Later in the season, Crouse recorded his first career three point game in the AHL, scoring two goals and an assist in a 5–3 win against the San Diego Gulls.

In game three of the series, on April 25, Crouse scored his first career AHL playoff goal against Antoine Bibeau of the Barracuda in a 6–0 Roadrunners victory.

Crouse played the entire 2018–19 season with Arizona, appearing in 81 games, while scoring an NHL career high 11 goals and 25 points.

[18] On May 5, 2023, Crouse was named to Canada men's national ice hockey team at the 2023 IIHF World Championship where he recorded six goals and three assists in ten games and won a gold medal.