The map below illustrates concentrations of religious groups around the United States. The evangelical Protestants population is mostly contained in the Pacific Northwest and the South, while mainline Protestant spread into the upper Midwest. The Mormon states are pretty predictable, but the split between Mormonism and Catholicism in the Native American population in Arizona is an interesting quirk.
Reddit user: delugetheory
Data: census.gov and ARDA
– Faithland (1890 – 2010)
– Largest participating religious group (1906 – 2010)
– Second largest participating religious group (1906 – 2010)
– How Diverse is the U.S.?
– Leading group by U.S. county
– Leading minority group by U.S. county
– U.S. population by race