Rancho Cucamonga is a suburban city situated at the foothills of the San Gabriel Mountains in San Bernardino County, California. It is located 37 miles (60 km) east of Downtown Los Angeles. The city had a population of 165,269 in 2010 and an estimated population of 174,305 in 2014. The city experiences an average of 287 sunny days per year, compared to a national average of 205 days. Its climate is classified as warm Mediterranean, or Csa, under the Köppen climate classification system. The city's seal, which centers on a cluster of grapes, alludes to the city's agricultural history and intimate connections to wine-making.
The city's favorable location and host of public amenities have earned it numerous distinctions. Notably, Money Magazine ranked Rancho Cucamonga 42nd on its "Best Places to Live" list in 2006. In addition, Insider Magazine established one Rancho Cucamonga neighborhood as the 13th richest neighborhood in Southern California. All of the city's four public high schools earned the Silver distinction in a 2015 ranking of the nation's high schools by U.S. News & World Report. The city's proximity to major transportation hubs, airports, and highways has attracted the business of the nation's largest corporations including Coca-Cola, Nong Shim, Frito-Lay, and Amphastar Pharmaceuticals.