Hinduism is the second-largest practiced religion in Arizona, according to the U.S. Religious Congregations & Membership Study from 2010. The study only took a count of people who are members of a church or organized body within a faith, so some people who might consider themselves to be of a certain religion were not counted if they do not attend services regularly. Read more › Hinduism is the second-largest practiced religion in Arizona, according to the U.S. Religious Congregations & Membership Study from 2010. The study only took a count of people who are members of a church or organized body within a faith, so some people who might consider themselves to be of a certain religion were not counted if they do not attend services regularly. Read more ›