The Census Bureau now a profile "map" available for Utah. This map shows population density by census tract as well as other interesting information from the 2010 Census. You can access the map at by clicking here.
Also, the Census will release the 2010 Census Summary File 1 for Utah to the public on July 28.The Summary File 1 tables will provide the most detailed information available so far from the 2010 Census, including cross-tabulations of age, sex, households, families, relationship to householder, characteristics of owners and renters, detailed race and Hispanic or Latino origin groups, and group quarters. The information will be available for a variety of geographic areas, with most tables available down to the block or census tract level.