In 2023, Port Costa, CA had a population of 194 people with a median age of 68.5 and a median household income of $N/A. Between 2022 and 2023 the population of Port Costa, CA declined from 251 to 194, a −22.7% decrease and its median household income stayed from $N/A to $N/A, a NaNN% change.
The 5 largest ethnic groups in Port Costa, CA are White (Non-Hispanic) (84%), Other (Hispanic) (9.79%), Two Races Including Other (Hispanic) (6.19%), Black or African American (Non-Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
N/A 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.
90.2% of the residents in Port Costa, CA are U.S. citizens.
In 2023, the median property value in Port Costa, CA was $586,500, and the homeownership rate was 35.4%.