New research from Barna Group showcases the breakdown of the most Catholic and Protestant, both mainline and nonmainline, cities in America as part of its ongoing tracking of religious demography.
The cities report, which was released last week, examines the distribution of the denominational makeup of American cities and towns and uses data based on online and telephone interviews with nationwide random samples of 76,505 adults conducted over the course of seven years, concluding in 2016.