No are you?
Sure it was founded by Mormons but they make up less than half the city's pop now. This is from a tourism site:
"Although SLC is known mostly for the 2002 Winter Olympics and its predominant mormon religion, that is just the beginning. Utah, in general is a very diverse place. In the city less than half the population is Mormon..."
Here's the lnk if you don't believe me:
http://rds.yahoo.com/_ylt=A0oGkjxAsFNGOdYAkMZXNyoA;_ylu=X3oDMTB2bTU4Zm85BGNvbG8DdwRsA1dTMQRwb3MDOARzZWMDc3IEdnRpZAM-/SIG=11jtn01cf/EXP=1179976128/**http%3a//web.utah.edu/isa/slc.htm