II.Protestants in the United States The Methodists are next to the Baptists,the most numerous Protestants. The Methodists are adherents of the group which grew up in 18th century England.Most Methodists are united in the Methodist Church, which has a form of service based on that of the Church of England. (Right:Boston Avenue Methodidst Church)II. Protestants in the United States • The Methodists are next to the Baptists, the most numerous Protestants. The Methodists are adherents of the group which grew up in 18th century England. Most Methodists are united in the Methodist Church, which has a form of service based on that of the Church of England. (Right: Boston Avenue Methodidst Church)