surge to as high as 48 million California's Population wartime and postwar population boom California's Population continues to outpace California's Population California's Population surge to as high as 48 million population California's Population California's Population surge to as high as 48 million 1.5 million residents 1.5 million more people left California for other states 1.5 million residents it could hit 48 million by 2020 1.5 million more people left California for other states California's Population Public Policy Institute of California California's Population 1.5 million more people left California for other states continues to outpace surge to as high as 48 million California's Population California's Population 1.5 million residents 1.5 million more people left California for other states Public Policy Institute of California surge to as high as 48 million California's Population California's Population