California Population 2025 Growth Rate Of Population. The current population of ontario, california is 184,705 based on our projections of the latest us census estimates (released may 2025). The population of california in 2021 was 39,145,060, a 0.91% decline from 2020.
Victorville has a 2025 population of 140,279. California is still the largest state with more than 39 million residents as of 2022, constituting 11.7 percent of the u.s.