What percentage of residents of Salt Lake City is Mormon?

Salt Lake City is one of the least Mormon and most liberal areas in Utah. The percentage of practicing Mormons within Salt Lake City boundaries is probably near 20-30%, most of these tending to be college students or young professionals who tend to be more liberal in their beliefs than a typical Mormon. There are, however, a very high number of non-practicing Mormons in Salt Lake City. If you include both practicing and non-practicing Mormons, the number is probably closer to 50-60%.