Rio Dell, California Zip Codes
📍 Rio Dell is in Humboldt County, California with 1 zip code; the most populous is 95562.
Rio Dell is a USPS city name in Humboldt County, California with a Census population of approximately 3,396 across its ZIP codes. Humboldt County as a whole has 38 ZIP codes in this directory. Below you'll find every zip code serving Rio Dell 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 Rio Dell Zip Codes
Rio Dell at a Glance
Rio Dell has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 3,396 residents, the largest being 95562 with 3,396 people.
The median ZIP in Rio Dell has a household income of $45,547 and a home value of $276,700, a price-to-income ratio of 6.1, below the 6.7 California ZIP median. Median rent across these ZIPs is $948 a month.
56% of households in the typical Rio Dell ZIP own their home (statewide ZIP median 64%). 9% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 9.9%, below the 10.8% statewide ZIP median. Overall density is about 205 residents per square mile across 17 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.
Rio Dell Zip Code Map
Interactive map of Rio Dell, California zip codes. Click any marker for details.