Mesquite is a city located in the northeast corner of Clark County, Nevada, United States adjacent to the Arizona state line and 80 mi northeast of Las Vegas on Interstate 15. As of the 2020 census, the city had a population of 20,471. The city is located in the Virgin River valley adjacent to the Virgin Mountains in the northeastern part of the Mojave Desert. It is home to a growing retirement community, as well as several casino resorts and golf courses.