Junction City, California Zip Codes
📍 Junction City is in Trinity County, California with 1 zip code; the most populous is 96048.
Junction City is a USPS city name in Trinity County, California with a Census population of approximately 1,283 across its ZIP codes. Trinity County as a whole has 13 ZIP codes in this directory. Below you'll find every zip code serving Junction City 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 Junction City Zip Codes
Junction City at a Glance
Junction City has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 1,283 residents, the largest being 96048 with 1,283 people.
The median ZIP in Junction City has a household income of $61,061 and a home value of $380,200, a price-to-income ratio of 6.2, below the 6.7 California ZIP median. Median rent across these ZIPs is $670 a month.
80% of households in the typical Junction City ZIP own their home (statewide ZIP median 64%). 22% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 18.1%, far above the 10.8% statewide ZIP median. Overall density is about 8 residents per square mile across 155 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.
Junction City Zip Code Map
Interactive map of Junction City, California zip codes. Click any marker for details.