Riverside is a city in Riverside County, California, United States, located in the Inland Empire metropolitan area. It is situated next to the Santa Ana River and is the 61st most populous city in the United States and the twelfth most populous city in California. Riverside is an exception to the fact that California is the most expensive state to live in. It is the 61st largest city in the United States, the twelfth largest city in California, and the largest city in the Inland Empire metropolitan area of California.
Riverside is located in Southern California and is less than an hour's drive from downtown Los Angeles. In the California state legislature, the city of Riverside is in the 31st Senate District, represented by Democrat Richard Roth. Riverside Municipal Airport is an airport within the city limits of Riverside, but it has no commercial airline service. As the seat of Riverside County and the most populous city in the Inland Empire, Riverside is also home to several law, accounting, engineering and banking firms.