“Median household income is $91,470 — 42% higher than Utah’s statewide average.. . The only other micropolitan area that is richer is Los Alamos, N.M. — home of perhaps the nation’s most millionaires per capita, which also attracts plenty of Ph.Ds and engineers to a national laboratory there. Its median household income is $105,902.”

http://www.sltrib.com/news/politics/2017/12/07/park-city-is-now-the-nations-2nd-wealthiest-small-urban-area-with-average-incomes-27000-more-than-in-salt-lake-city/