Pleasant Hill, California Zip Codes
📍 Pleasant Hill is in Contra Costa County, California with 1 zip code; the most populous is 94523.
Pleasant Hill is a USPS city name in Contra Costa County, California with a Census population of approximately 34,964 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 Pleasant Hill 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 Pleasant Hill Zip Codes
Pleasant Hill at a Glance
Pleasant Hill has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 34,964 residents, the largest being 94523 with 34,964 people.
The median ZIP in Pleasant Hill has a household income of $136,787 and a home value of $959,200, a price-to-income ratio of 7.0, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,400 a month.
63% of households in the typical Pleasant Hill ZIP own their home (statewide ZIP median 64%). 56% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 6.4%, below the 10.8% statewide ZIP median. Overall density is about 4,856 residents per square mile across 7 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.
Pleasant Hill Zip Code Map
Interactive map of Pleasant Hill, California zip codes. Click any marker for details.