The 5 largest ethnic groups in Charter Oak, CA are Other (Hispanic) (22.2%), White (Hispanic) (21.1%), White (Non-Hispanic) (18.3%), Two+ (Hispanic) (14.1%), and Asian (Non-Hispanic) (9.65%).
None of the households in Charter Oak, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
90.6% of the residents in Charter Oak, CA are U.S. citizens.