Clearlake Oaks, California Zip Codes
📍 Clearlake Oaks is in Lake County, California with 1 zip code; the most populous is 95423.
Clearlake Oaks is a USPS city name in Lake County, California with a Census population of approximately 3,322 across its ZIP codes. Lake County as a whole has 15 ZIP codes in this directory. Below you'll find every zip code serving Clearlake Oaks 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 Clearlake Oaks Zip Codes
Clearlake Oaks at a Glance
Clearlake Oaks has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 3,322 residents, the largest being 95423 with 3,322 people.
The median ZIP in Clearlake Oaks has a household income of $42,648 and a home value of $270,300, a price-to-income ratio of 6.3, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,167 a month.
69% of households in the typical Clearlake Oaks ZIP own their home (statewide ZIP median 64%). 23% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 21.7%, far above the 10.8% statewide ZIP median. Overall density is about 27 residents per square mile across 122 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.
Clearlake Oaks Zip Code Map
Interactive map of Clearlake Oaks, California zip codes. Click any marker for details.