Provides 2010 data for 236 religious bodies or groups. Four sets of tables provide data for religious congregations by religious group for the United States; by state and group; by county and group; and by metropolitan size and group. For each religious group, the tables provide number of congregations; number of attendees; number of communicant, confirmed, or full members; number of adherents; adherents as percentage of total population; and the group's adherents as percentage of total religious adherents. Maps by county show: percent of population for 20 groups with 1,000,000 or more adherents or with congregations reporting adherents in 50 percent of counties; percent of population maps for Jewish groups, Eastern Orthodox churches, and Oriental Orthodox churches; largest participating Eastern religion; largest participating religious group; largest participating Protestant Christian group; religious diversity; and percent of population claimed by all religious groups. Cartogram by state show total religious adherents; Church of Jesus Christ of Latter-day Saints adherents; and Southern Baptist Convention adherents. Charts show distribution of total, Catholic, Mennonite, and Jewish adherents and congregations by community size.