Quartzsite is a town in La Paz County, Arizona, United States. According to Census Bureau estimates, the population of the town was 3,397 in 2006.
Interstate 10 runs directly through Quartzsite. It is at the intersection of U.S. Route 95 and Arizona State Route 95 with I 10.
Quartzsite is located at 33°39′54″N 114°13′15″W / 33.665°N 114.22083°W / 33.665; -114.22083 (33.665116, -114.220913).