Hercules, California Zip Codes
📍 Hercules is in Contra Costa County, California with 1 zip code; the most populous is 94547.
Hercules is a USPS city name in Contra Costa County, California with a Census population of approximately 26,041 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 Hercules 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 Hercules Zip Codes
Hercules at a Glance
Hercules has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 26,041 residents, the largest being 94547 with 26,041 people.
The median ZIP in Hercules has a household income of $125,880 and a home value of $690,000, a price-to-income ratio of 5.5, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,759 a month.
80% of households in the typical Hercules ZIP own their home (statewide ZIP median 64%). 45% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 4.7%, far below the 10.8% statewide ZIP median. Overall density is about 4,569 residents per square mile across 6 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.
Hercules Zip Code Map
Interactive map of Hercules, California zip codes. Click any marker for details.