Port Costa

Census-designated place in Contra Costa County, California

View of Port Costa, California
Photo: Mike Cline · Public domain

Port Costa is an unincorporated community (census-designated place) in Contra Costa County, California, with 190 residents (2020 Census). It sits at 16 ft (5 m) above sea level. The nearest town is Crockett, 2.0 miles W.

About Port Costa

Port Costa is a small town and census-designated place (CDP) in Contra Costa County, California, United States, 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.

Text: Wikipedia · CC BY-SA 4.0

Port Costa weather: 7-day forecast

Loading the National Weather Service forecast…

Hourly forecast & alerts ›

Source: National Weather Service (NOAA).

Live webcams in Port Costa

All 24 webcams near Port Costa ›

Webcams: Windy.com · Traffic cameras: Caltrans

Living in Port Costa

Median household income
$38,929
Median home value
$600,000
Median age
67.3
Cost of living and demographics of Port Costa ›

Do you know Port Costa? Tell us about it

Help other travelers: share what makes Port Costa special. We review every message before publishing it.

Map of Port Costa

Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Port Costa Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Port Costa, CA population

Port Costa had 190 residents in the 2020 Census.

2020 Census190
Density1,200 per sq mi (463 per km²)

Source: U.S. Census Bureau, Decennial Census.

Port Costa at a glance

StateCalifornia (CA)
CountyContra Costa County
TypeCensus-designated place
Population190 (2020)
Land area0.16 sq mi (0.4 km²)
Elevation16 ft (5 m)
Coordinates38.0445° N, 122.1849° W
ZIP code94569
Census code (GEOID)0658226

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Port Costa

Straight-line distance between town centers.

Frequently asked questions about Port Costa

What county is Port Costa in?

Port Costa is in Contra Costa County, California.

What is the population of Port Costa, CA?

190 people lived in Port Costa at the 2020 Census.

What is the ZIP code of Port Costa, CA?

The ZIP code of Port Costa is 94569.

What is the elevation of Port Costa?

16 feet (5 m) above sea level.

What towns are near Port Costa?

Crockett (2.0 mi), Benicia (2.5 mi), Rodeo (3.8 mi), Mountain View (4.4 mi), Martinez (5.0 mi).

Last updated: