Castella, California Zip Codes
📍 Castella is in Shasta County, California with 1 zip code; the most populous is 96017.
Castella is a USPS city name in Shasta County, California with a Census population of approximately 143 across its ZIP codes. Shasta County as a whole has 30 ZIP codes in this directory. Below you'll find every zip code serving Castella 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 Castella Zip Codes
Castella at a Glance
Castella has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 143 residents, the largest being 96017 with 143 people.
The median ZIP in Castella has a household income of $42,500 and a home value of $315,400, a price-to-income ratio of 7.4, above the 6.7 California ZIP median. Median rent across these ZIPs is $591 a month.
72% of households in the typical Castella ZIP own their home (statewide ZIP median 64%). 32% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 30.1%, far above the 10.8% statewide ZIP median. Overall density is about 2 residents per square mile across 93 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.
Castella Zip Code Map
Interactive map of Castella, California zip codes. Click any marker for details.