30 Least Religious Cities in the US

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25. San Diego

Unaffiliated percentage in 2018: 27

Unaffiliated percentage in 2019: 25

While 68% of the people may be Christian, with a nearly even split of Protestants and Roman Catholics, other religions barely have a major impact, leaving room for the religiously unaffiliated to shine.

Most Ethnically Diverse Cities in America

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