Can You Guess the Top Two Religious Groups in U.S. Urban Centers?

In March 2015, the Public Religion Research Institute (PRRI) conducted a general survey on American religious affiliation, irrespective of geographic setting. According to that survey, the three largest religious groups in the United States are Catholics (22 percent), the religiously unaffiliated (22 percent), and white evangelical Protestants (18 percent).

But what religious groups dominate in urban centers? And in which cities do certain religious groups dominate?