Riverside County is a large county in Southern California that stretches from the L.A. sprawl across Palm Springs into the desert around Joshua Tree National Park. The county was recently?ranked third in population growth among large counties nationwide, according to a U.S. Census Bureau report. A total of around 100,000 acres were listed for sale in Riverside County, California, recently, representing a total value of approximately $3 billion in Riverside County ranches, farms, hunting land and other rural land and acreage for sale. Riverside County is among the top 10 counties in the United States with the most land currently for sale. Riverside County ranks third out of 58 counties in the state for the total acreage of land currently advertised for sale. Of all land and rural real estate for sale in Riverside County, Temecula featured the most land for sale. Based on its natural assets, Riverside County's economy is dependent on tourism and recreation. Riverside County is one of the ten biggest counties in California (7,303 square miles). It's located in the Deserts California region of California.