Summerlin is a neighborhood in Las Vegas, Nevada with a population of 123,950. Summerlin is in Clark County and is one of the best places to live in Nevada. Living in Summerlin offers residents a suburban feel and most residents own their homes. In Summerlin there are a lot of coffee shops and parks. Many young professionals and retirees live in Summerlin and residents tend to have moderate political views. The public schools in Summerlin are above average.