Rancho Cucamonga is a city in San Bernardino County, California, located about 37 miles east of Downtown Los Angeles, near the San Gabriel Mountains and Angeles National Forest. With a 2020 population of 174,453, it is the 28th most populous city in California. The city has a strong agricultural history, including wine-making, symbolized by its seal featuring grapes. Its location near major transportation hubs has attracted businesses like Coca-Cola, Frito-Lay, Big Lots, Mercury Insurance Group, and Southern California Edison.
The area was originally inhabited by Kukamongan Native Americans, likely part of the Tongva people. Spanish and Mexican land grants shaped its early history, with Tiburcio Tapia establishing California’s first winery. Rancho Cucamonga grew through agriculture, irrigation projects, and railroad expansion in the late 19th and early 20th centuries, with contributions from Chinese and Mexican laborers. The modern city was incorporated in 1977 from the communities of Alta Loma, Cucamonga, and Etiwanda.









