Claim: Frank Sinatra performed in a city in Nevada with a population of 632,912 people.
Evidence: Sinatra 's professional career had stalled by the early 1950s , and he turned to Las Vegas , where he became one of its best known performers as part of the Rat Pack.
Rapid growth has continued into the 21st century , and according to a 2013 estimate , the population is 603,488 with a regional population of 2,027,828.