fontana ca population
Fontana also hosts the Fontana Days Half Marathon and 5K run. This race is the fastest half-marathon course in the world. The United States Census Bureau estimated Fontana's 2016 population at 207,460, making it the second most populous city in San Bernardino County and the 19th largest in the state. The name fontana is Italian for fountain or water source, being in close proximity to the Santa Ana River to the east.