Definition: Estimated population ages 0-17 (e.g., an estimated 9,261,018 children lived in California in 2018).
Data Source: California Dept. of Finance, Race/Ethnic Population with Age and Sex Detail, 1990-1999, 2000-2010, 2010-2060 (Jan. 2018); U.S. Census Bureau, Population Estimates, Vintage 2017 (Jul. 2018).
Footnote: Data for California and counties are estimated using population change models benchmarked to official decennial census counts. N/A means that data are not available.