La Mesa, CA zip codes
La Mesa, California has 4 zip codes (2 residential, 2 PO box or single-organization). Most of it is in San Diego County. Together these zip codes are home to about 75K people.
Zip codes
4
Population
75K
All zips combined
Largest zip
91942
41,424 residents
Income range
$93K–$115K
Median by zip