RELIGION

The 30 Least Religious Cities In The United States

Portland tops the list.

In Portland, Oregon, a whopping 42 percent of the population identifies as religiously unaffiliated.

New analysis from the the Public Religion Research Institute ranks the largest religious groups in 30 major U.S. metropolitan areas. Catholics and the religiously unaffiliated vie for biggest faith-related population in many of cities, with Protestants coming closesly behind.

Check out the cities with the largest religiously unaffiliated populations:

PHOTO GALLERY
Religiously Unaffiliated Populations of Major U.S. Cities
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