Mendocino County, California Zip Codes
📍 Mendocino County has 28 zip codes with a population of 90,977.
Mendocino County is located in California with a land area of 2,775 square miles. The county seat is Ukiah. Below you'll find all 28 zip codes in Mendocino County with population, income and home value, the county's affordability profile, and links to its 25 city pages.
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 Mendocino County Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 95410 | Albion | View → |
| 95415 | Boonville | View → |
| 95417 | Branscomb | View → |
| 95418 | Calpella | View → |
| 95420 | Caspar | View → |
| 95427 | Comptche | View → |
| 95428 | Covelo | View → |
| 95429 | Dos Rios | View → |
| 95432 | Elk | View → |
| 95437 | Fort Bragg | View → |
| 95445 | Gualala | View → |
| 95449 | Hopland | View → |
| 95454 | Laytonville | View → |
| 95456 | Littleriver | View → |
| 95459 | Manchester | View → |
| 95460 | Mendocino | View → |
| 95463 | Navarro | View → |
| 95466 | Philo | View → |
| 95468 | Point Arena | View → |
| 95469 | Potter Valley | View → |
| 95470 | Redwood Valley | View → |
| 95481 | Talmage | View → |
| 95482 | Ukiah | View → |
| 95488 | Westport | View → |
| 95490 | Willits | View → |
| 95494 | Yorkville | View → |
| 95585 | Leggett | View → |
| 95587 | Piercy | View → |
Mendocino County at a Glance
Mendocino County has 28 ZIP codes in this directory: 25 standard delivery ZIPs and 3 PO Box or unique ZIPs that carry no resident population in Census data. The 21 ZIPs with published Census housing data cover 90,977 residents, the largest being 95482 (Ukiah) with 34,183 people.
The median ZIP in Mendocino County has a household income of $61,576 and a home value of $546,600, a price-to-income ratio of 8.7, above the 6.7 California ZIP median. Affordability ranges from 95417 in Branscomb at a ratio of 1.4 to 95420 in Caspar, where the median home is $1,099,700. The highest median income is in 95417 (Branscomb) at more than $250,000. Median rent across these ZIPs is $1,196 a month.
65% of households in the typical Mendocino County ZIP own their home (statewide ZIP median 64%). 30% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 16.0%, above the 10.8% statewide ZIP median. Overall density is about 33 residents per square mile across 2,775 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.
Mendocino County Zip Code Map
Interactive map of Mendocino County, California zip codes.