This map shows the dominant religious group in every US county (as of 2010)

The demographics of religion will change dramatically over the next four decades, and countries across the world will transform with them. Pew research suggests Christianity will be on the decline from 2010 to 2050, and this map — which is based on the 2010 census data — provides a snapshot of the religious fabric of America. About 83% of Americans identify themselves as Christians. Keep reading

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Photo credit: Pixabay, public domanin