People in Utah are different than the average American. I suspect they watch less porn. When I drove through in 2002, their "sex symbol" billboards involved a pretty couple with their kids in the background.
It's a fun place to visit!
It's a fun place to visit!
There are more recent studies that rank Utah in the bottom 10. [5]
[1] Edelman, Benjamin. "Red Light States: Who Buys Online Adult Entertainment?" Journal of Economic Perspectives 23, no. 1 (Winter 2009): 209–220.
[2] http://www.benedelman.org/publications/redlightstates.pdf
[3] https://www.cnbc.com/2009/07/14/Top-US-States-For-Online-Por...
[4] https://www.ksl.com/article/news/utah/utah-not-necessarily-n...
[5] https://www.yahoo.com/news/narrative-utah-leads-nation-porno...