Columbia, California Zip Codes
📍 Columbia is in Tuolumne County, California with 1 zip code; the most populous is 95310.
Columbia is a USPS city name in Tuolumne County, California with a Census population of approximately 1,849 across its ZIP codes. Tuolumne County as a whole has 17 ZIP codes in this directory. Below you'll find every zip code serving Columbia 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 Columbia Zip Codes
Columbia at a Glance
Columbia has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 1,849 residents, the largest being 95310 with 1,849 people.
The median ZIP in Columbia has a household income of $55,543 and a home value of $376,700, a price-to-income ratio of 6.8, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $795 a month.
73% of households in the typical Columbia 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 17.0%, far above the 10.8% statewide ZIP median. Overall density is about 41 residents per square mile across 45 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.
Columbia Zip Code Map
Interactive map of Columbia, California zip codes. Click any marker for details.