The latest SACOG forecast was created for the MTP/SCS adopted in February 2016. This forecast uses a 2012 base year estimate with projections to 2020 and 2036 for household population, housing units, and employment. summaries are available in the SACOG Data Library. Please email the SACOG Info Center at firstname.lastname@example.org with questions.
The California Department of Finance, Demographic Research Unit periodically releases updated County level projections by Race/Ethnicity, Age and Gender. This data can be accessed here.