Quincy, California Zip Codes
📍 Quincy is in Plumas County, California with 1 zip code; the most populous is 95971.
Quincy is a USPS city name in Plumas County, California with a Census population of approximately 5,931 across its ZIP codes. Plumas County as a whole has 17 ZIP codes in this directory. Below you'll find every zip code serving Quincy 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 Quincy Zip Codes
Quincy at a Glance
Quincy has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 5,931 residents, the largest being 95971 with 5,931 people.
The median ZIP in Quincy has a household income of $71,516 and a home value of $287,800, a price-to-income ratio of 4.0, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,309 a month.
60% of households in the typical Quincy ZIP own their home (statewide ZIP median 64%). 25% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 12.5%, above the 10.8% statewide ZIP median. Overall density is about 39 residents per square mile across 151 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.
Quincy Zip Code Map
Interactive map of Quincy, California zip codes. Click any marker for details.