The Demographic Research Unit (DRU) of the California Department of Finance is designated as the single official source of demographic data for state planning and budgeting. Download a Unit overview brochure.

2020 Census


  • Estimates – Official population estimates of the state, counties and cities produced by the Demographic Research Unit for state planning and budgeting.
  • Projections – Forecasts of population, births and public school enrollment at the state and county level produced by the Demographic Research Unit.
  • State Census Data Center – Demographic, social, economic, migration, and housing data from the decennial censuses, the American Community Survey, the Current Population Survey, and other special and periodic surveys.
  • Data In Action – Interactive visualizations, charts, and maps that illustrate the data that the DRU tabulates and produces.
  • DRU Data Hub – DRU’s interactive data portal for exploring, sharing, and visualizing data. It includes maps, dashboards, and other applications featuring a range of demographic, housing and socioeconomic data.

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