Gridley, California Zip Codes
📍 Gridley is in Butte County, California with 1 zip code; the most populous is 95948.
Gridley is a USPS city name in Butte County, California with a Census population of approximately 11,456 across its ZIP codes. Butte County as a whole has 24 ZIP codes in this directory. Below you'll find every zip code serving Gridley 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 Gridley Zip Codes
Gridley at a Glance
Gridley has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 11,456 residents, the largest being 95948 with 11,456 people.
The median ZIP in Gridley has a household income of $63,187 and a home value of $321,900, a price-to-income ratio of 5.1, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,137 a month.
56% of households in the typical Gridley ZIP own their home (statewide ZIP median 64%). 17% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 9.2%, below the 10.8% statewide ZIP median. Overall density is about 152 residents per square mile across 76 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.
Gridley Zip Code Map
Interactive map of Gridley, California zip codes. Click any marker for details.