Maps of World Religions The Largest & Second Largest Religious Denominations in Each U.S. State July 17, 2016 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. Denomination with the most members in each state Second largest denomination/group in each state Related Posts:Religious Diversity Across America: A 120-Year JourneyMap of the largest Hispanic ethnic group in each U.S. countyActive Duty Military Personnel in the U.S.Largest participating religious group (1906 - 2010)Second largest participating religious group (1906 - 2010)Religiosity in the United StatesAnimated Map: Faithland, 1890 - 2010Christianity in the US counties