Lemon Grove, California Zip Codes
📍 Lemon Grove is in San Diego County, California with 2 zip codes; the most populous is 91945.
Lemon Grove is a USPS city name in San Diego County, California with a Census population of approximately 27,541 across its ZIP codes. San Diego County as a whole has 191 ZIP codes in this directory. Below you'll find every zip code serving Lemon Grove 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 Lemon Grove Zip Codes
Lemon Grove at a Glance
Lemon Grove has 2 ZIP codes in this directory: 1 standard delivery ZIP and 1 PO Box or unique ZIP that carries no resident population in Census data. The 1 ZIP with published Census housing data cover 27,541 residents, the largest being 91945 with 27,541 people.
The median ZIP in Lemon Grove has a household income of $77,989 and a home value of $593,300, a price-to-income ratio of 7.6, above the 6.7 California ZIP median. Median rent across these ZIPs is $1,693 a month.
54% of households in the typical Lemon Grove ZIP own their home (statewide ZIP median 64%). 20% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 9.9%, below the 10.8% statewide ZIP median. Overall density is about 6,885 residents per square mile across 4 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.
Lemon Grove Zip Code Map
Interactive map of Lemon Grove, California zip codes. Click any marker for details.