(*1) April Decennial Census of Population, U.S. Census Bureau
(*2) January (Revised) Estimate, California Department of Finance
(*3) E-4 Released August 2011, California Department of Finance
(*4) E-5 (Revised) Released May 2011, California Department of Finance
Current Projections Series (*5)
Population (OCP 2010 Modified)
For complete demographic information about Orange, California, including Population Characteristics, Housing and Household Characteristics, and Economic and Labor Force Characteristics download the following PDF file: