Perris is a city in Riverside County, California, United States, located 71 miles (114 km) east-southeast of Los Angeles, California, and 81 miles (130 km) north of San Diego, California. It is known for Lake Perris, which hosts a variety of flora and fauna. The city is most widely recognized for having many choices involving aerial activities, such as skydiving and hot-air ballooning. Perris is within the Inland Empire metropolitan area of Southern California. Perris had a population of 68,386 as of the 2010 census.