ZIP Code 94569
About Port Costa
Port Costa is a small town and census-designated place (CDP) in Contra Costa County, California, located in the East Bay region of the San Francisco Bay Area. Situated on the southern shore of the Carquinez Strait, the population was 190 in 2020 according to the United States Census Bureau.
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Area Profile
US Census (ACS 5-year · Gazetteer)
194
population
151
people / sq mi
$586,500
median home value
68.5
median age
144
housing units
144
households
1.3
land area (sq mi)
Points of interest
- coffee