30 Most Religious Cities in the US

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27. Oklahoma City

Unaffiliated percentage in 2018: 26

Unaffiliated percentage in 2019: 24

Oklahoma City is the capital as well as the largest city in the state of Oklahoma, where over 75% of the population identifies with a religion. This might be one of the main reasons why there is a major market for religious radio stations in the city.

Henryk Sadura/Shutterstock.com

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