Half Moon Bay, California Zip Codes
📍 Half Moon Bay is in San Mateo County, California with 1 zip code; the most populous is 94019.
Half Moon Bay is a USPS city name in San Mateo County, California with a Census population of approximately 15,275 across its ZIP codes. San Mateo County as a whole has 57 ZIP codes in this directory. Below you'll find every zip code serving Half Moon Bay 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 Half Moon Bay Zip Codes
Half Moon Bay at a Glance
Half Moon Bay has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 15,275 residents, the largest being 94019 with 15,275 people.
The median ZIP in Half Moon Bay has a household income of $149,655 and a home value of $1,459,500, a price-to-income ratio of 9.8, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,113 a month.
76% of households in the typical Half Moon Bay 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 7.0%, below the 10.8% statewide ZIP median. Overall density is about 256 residents per square mile across 60 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.
Half Moon Bay Zip Code Map
Interactive map of Half Moon Bay, California zip codes. Click any marker for details.