Plymouth, California Zip Codes
📍 Plymouth is in Amador County, California with 1 zip code; the most populous is 95669.
Plymouth is a USPS city name in Amador County, California with a Census population of approximately 2,514 across its ZIP codes. Amador County as a whole has 13 ZIP codes in this directory. Below you'll find every zip code serving Plymouth 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 Plymouth Zip Codes
Plymouth at a Glance
Plymouth has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 2,514 residents, the largest being 95669 with 2,514 people.
The median ZIP in Plymouth has a household income of $84,500 and a home value of $550,500, a price-to-income ratio of 6.5, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $1,201 a month.
86% of households in the typical Plymouth ZIP own their home (statewide ZIP median 64%). 26% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 10.5%, in line with the 10.8% statewide ZIP median. Overall density is about 33 residents per square mile across 76 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.
Plymouth Zip Code Map
Interactive map of Plymouth, California zip codes. Click any marker for details.