Fortuna, California Zip Codes
📍 Fortuna is in Humboldt County, California with 1 zip code; the most populous is 95540.
Fortuna is a USPS city name in Humboldt County, California with a Census population of approximately 14,415 across its ZIP codes. Humboldt County as a whole has 38 ZIP codes in this directory. Below you'll find every zip code serving Fortuna 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 Fortuna Zip Codes
Fortuna at a Glance
Fortuna has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 14,415 residents, the largest being 95540 with 14,415 people.
The median ZIP in Fortuna has a household income of $58,348 and a home value of $349,400, a price-to-income ratio of 6.0, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,122 a month.
57% of households in the typical Fortuna 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 14.7%, above the 10.8% statewide ZIP median. Overall density is about 423 residents per square mile across 34 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.
Fortuna Zip Code Map
Interactive map of Fortuna, California zip codes. Click any marker for details.