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zipcodes.pro — CITY/CA/PORT-COSTA

Port Costa ZIP code, California

The ZIP code for Port Costa, CA is 94569.

USPS city name
1 ZIP code
Population
296

Port Costa in numbers

About 296 people live in Port Costa, in 210 households. The median household income is $38,929 a year, 61% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $600,000 (18% below the California median). The median age is 67.3; 27.9% of adults 25 and over hold a bachelor's degree or higher (37.1% across California).

Population296Port Costa296
Households210Port Costa210
Median age67.3Port Costa67.3California37.9US 38.9
Median household income$38,929Port Costa$38,929California$99,122US $80,734
Median home value$600,000Port Costa$600,000California$734,700US $332,700
Bachelor's degree or higher27.9%Port Costa27.9%California37.1%US 35.7%
Population density1,873 / sq miPort Costa1,873 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Port Costa CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Port Costa

ZIP codes with the USPS city name Port Costa
ZIP City Type Population Median income Median home
94569 Port Costa , CA Standard 296 $38,929 $600,000

Map of Port Costa ZIP codes

94569

The ZIP codes of Port Costa, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Port Costa

The nearest larger towns are Crockett (3,372 people, 2.0 mi), Benicia (26,749 people, 2.5 mi) and Rodeo (8,976 people, 3.8 mi).

Towns near Port Costa
TownPopulationDistance
Crockett 3,372 2.0 mi
Benicia 26,749 2.5 mi
Rodeo 8,976 3.8 mi
Martinez 36,903 5.0 mi
Hercules 26,302 5.9 mi
Vine Hill 3,540 5.9 mi
Vallejo 124,268 6.0 mi
Pacheco 4,325 7.4 mi
Bayview 2,751 7.8 mi
Pinole 18,761 7.8 mi
Tara Hills 4,840 8.1 mi
El Sobrante 16,294 8.1 mi
Reliez Valley 3,173 8.5 mi
Pleasant Hill 34,235 8.6 mi

More nearby: every ZIP code in Contra Costa County · California ZIP codes

Cite this page

zipcodes.pro. “Port Costa, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/port-costa

Underlying data is public domain or openly licensed — sources, vintages and licences.