Lompoc, California Zip Codes
📍 Lompoc is in Santa Barbara County, California with 3 zip codes; the most populous is 93436.
Lompoc is a USPS city name in Santa Barbara County, California with a Census population of approximately 59,272 across its ZIP codes. Santa Barbara County as a whole has 41 ZIP codes in this directory. Below you'll find every zip code serving Lompoc 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 Lompoc Zip Codes
Lompoc at a Glance
Lompoc has 3 ZIP codes in this directory: 2 standard delivery ZIPs and 1 PO Box or unique ZIP that carries no resident population in Census data. The 1 ZIP with published Census housing data cover 59,272 residents, the largest being 93436 with 55,591 people.
The median ZIP in Lompoc has a household income of $71,922 and a home value of $438,200, a price-to-income ratio of 6.1, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,458 a month.
56% of households in the typical Lompoc ZIP own their home (statewide ZIP median 64%). 17% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 14.5%, above the 10.8% statewide ZIP median. Overall density is about 214 residents per square mile across 278 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.
Lompoc Zip Code Map
Interactive map of Lompoc, California zip codes. Click any marker for details.