California Population 2024 Forecast Map. This map, produced by rose institute researcher thomas short using dof data, shows that the population loss is. The decade’s population growth granted it seven new congressional seats after the 1990 census, increasing from 45 to 52.

They are typically based on an estimated population consistent with the most recent decennial census. California’s coastal counties—including los angeles and san francisco—have lost millions of residents in total, but near the center of the state, a different patterning is emerging.