How many US bishops attended Vatican II?

Approximately 250 U.S. bishops attended the Second Vatican Council (Vatican II), which took place from 1962 to 1965. This represented a significant portion of the total number of bishops from around the world, as the council included around 2,500 bishops in total. The participation of U.S. bishops was crucial in shaping the discussions and outcomes of the council, particularly in relation to issues affecting the Catholic Church in the United States.