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zipcodes.pro — CITY/CA/LAKE-SAN-MARCOS

Lake San Marcos ZIP codes, California

No ZIP code is named for Lake San Marcos, CA; addresses there use a neighbouring town's name. The ZIP code covering it is 92078. Its area codes are 760 and 442.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
4,693
Area codes
760, 442

NANPA lists no telephone rate centre for Lake San Marcos itself, so these are the area codes of the nearest one, San Marcos (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Lake San Marcos in numbers

About 4,693 people live in Lake San Marcos, in 2,000 households. The median household income is $89,851 a year, 9% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $917,000 (25% above the California median), and median gross rent is $2,585 a month. The median age is 63.0; 35.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 24 minutes.

Population4,693Lake San Marcos4,693
Households2,000Lake San Marcos2,000
Median age63.0Lake San Marcos63.0California37.9US 38.9
Median household income$89,851Lake San Marcos$89,851California$99,122US $80,734
Median home value$917,000Lake San Marcos$917,000California$734,700US $332,700
Median gross rent$2,585Lake San Marcos$2,585California$2,036US $1,413
Bachelor's degree or higher35.6%Lake San Marcos35.6%California37.1%US 35.7%
Mean commute23.5 minLake San Marcos23.5 minCalifornia28.7 minUS 26.4 min
Population density2,749 / sq miLake San Marcos2,749 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lake San Marcos CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Lake San Marcos

These ZIP codes cover part of Lake San Marcos but are addressed as somewhere else.

ZIP codes overlapping Lake San Marcos
ZIP City Type Population Median income Median home
92078 San Marcos , CA Standard 53,605 $120,268 $942,300

Map of Lake San Marcos ZIP codes

92078

The ZIP codes of Lake San Marcos, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Lake San Marcos

The nearest larger towns are San Marcos (94,882 people, 2.3 mi), Carlsbad (114,373 people, 4.4 mi) and Vista (99,114 people, 5.0 mi).

Towns near Lake San Marcos
TownPopulationDistance
San Marcos 94,882 2.3 mi
Harmony Grove 2,585 4.4 mi
Carlsbad 114,373 4.4 mi
Vista 99,114 5.0 mi
Encinitas 61,480 5.9 mi
Escondido 149,668 7.8 mi
Hidden Meadows 3,524 8.7 mi
Oceanside 172,242 9.0 mi
Fairbanks Ranch 2,703 9.1 mi
Solana Beach 12,823 9.5 mi
Bonsall 4,332 10.6 mi
Del Mar 3,903 11.3 mi
Camp Pendleton South 15,766 13.0 mi
Valley Center 11,119 13.5 mi

More nearby: every ZIP code in San Diego County · California ZIP codes

Cite this page

zipcodes.pro. “Lake San Marcos, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/lake-san-marcos

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