None of the households in Port Costa, 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.
93.9% of the residents in Port Costa, CA are U.S. citizens.
In 2024, the median property value in Port Costa, CA was $600,000, and the homeownership rate was 56.2%.