Pittsburg, California Zip Codes
📍 Pittsburg is in Contra Costa County, California with 1 zip code; the most populous is 94565.
Pittsburg is a USPS city name in Contra Costa County, California with a Census population of approximately 100,826 across its ZIP codes. Contra Costa County as a whole has 53 ZIP codes in this directory. Below you'll find every zip code serving Pittsburg with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Pittsburg Zip Codes
Pittsburg at a Glance
Pittsburg has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 100,826 residents, the largest being 94565 with 100,826 people.
The median ZIP in Pittsburg has a household income of $92,399 and a home value of $528,000, a price-to-income ratio of 5.7, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,077 a month.
59% of households in the typical Pittsburg ZIP own their home (statewide ZIP median 64%). 21% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 10.9%, in line with the 10.8% statewide ZIP median. Overall density is about 2,226 residents per square mile across 45 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Pittsburg Zip Code Map
Interactive map of Pittsburg, California zip codes. Click any marker for details.