Farmington, California Zip Codes
📍 Farmington is in Stanislaus County, California with 1 zip code; the most populous is 95230.
Farmington is a USPS city name in Stanislaus County, California with a Census population of approximately 513 across its ZIP codes. Stanislaus County as a whole has 30 ZIP codes in this directory. Below you'll find every zip code serving Farmington 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 Farmington Zip Codes
Farmington at a Glance
Farmington has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 513 residents, the largest being 95230 with 513 people.
The median ZIP in Farmington has a household income of $130,048 and a home value of $668,200, a price-to-income ratio of 5.1, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,122 a month.
66% of households in the typical Farmington ZIP own their home (statewide ZIP median 64%). 7% of adults hold a bachelor's degree, far below the 31% statewide median. Overall density is about 4 residents per square mile across 137 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.
Farmington Zip Code Map
Interactive map of Farmington, California zip codes. Click any marker for details.