Lake San Marcos, CA: ZIP codes, distance and what to know

ZIP code in Lake San Marcos

ZIP code in Lake San Marcos: 92078.

Distances are straight-line from Fountain Valley to the center of each ZIP code area. Residents, median year built and owner-occupied share are U.S. Census Bureau ACS 2018-2022 estimates for the ZIP code area. ZIP codes in Lake San Marcos: those whose USPS city name is Lake San Marcos (GeoNames) plus those whose area overlaps Lake San Marcos (U.S. Census ZCTA-to-place relationship file); a ZIP code can belong to more than one city. Listing a ZIP code here does not mean service to every address in it.

About Lake San Marcos

Lake San Marcos is an unincorporated community (a census-designated place) in San Diego County. The area of Lake San Marcos is about 1.7 square miles; its population is about 4,080, or 2,386 per square mile. Carlsbad, a city of about 113,575, is the closest larger city: about 4 miles west of Lake San Marcos.

The houses of Lake San Marcos

Census estimates count 2,401 housing units in Lake San Marcos. Half the homes date from 1979 or earlier; 52% were built before 1980. About 81 in 100 occupied homes in Lake San Marcos are lived in by their owners. Where many homes are older, original springs, cables and openers are more likely to be near the end of their service life.

Housing figures: U.S. Census Bureau, American Community Survey 2018-2022 5-year estimates for Lake San Marcos.

The lay of the land

Ground elevation at the center of Lake San Marcos is about 503 feet above sea level (USGS). Fountain Valley is at about 34 feet, which puts Lake San Marcos about 450 feet higher.

Places in and around Lake San Marcos

Neighborhoods and nearby communities around Lake San Marcos include Rancho Carrillo, San Marcos, Elfin Forest, Harmony Grove, Carlsbad, Encinitas, and Rancho Santa Fe.

Schools in and around Lake San Marcos include Pivot Charter School - San Diego II, San Marcos High, High Tech Middle North County, and High Tech High North County.

Sources: OpenStreetMap contributors (neighborhoods, parks, museums), National Center for Education Statistics (public schools), CMS (hospitals). See also the Lake San Marcos city guide.

Fountain Valley and Lake San Marcos on the map

Measured in a straight line, Lake San Marcos is about 59 miles southeast of Fountain Valley. Road distance is longer, and it is one of the farther places on this site's list. Fountain Valley is in Orange County and Lake San Marcos is in San Diego County. Of the 288 places on this site's list, Lake San Marcos ranks 281st in distance from Fountain Valley. Between Fountain Valley and Lake San Marcos the map shows Laguna Beach, Laguna Niguel, Capistrano Beach, and San Clemente. Nearest to Fountain Valley on this site's list: Midway City, Huntington Beach, Westminster, and Costa Mesa.

Census Bureau ACS 2018-2022 estimates and USGS elevation.

Places near Lake San Marcos

Other places near Lake San Marcos that also have a page on this site:

• Carlsbad 4 mi
• Vista 5 mi
• Hidden Meadows 9 mi
• Oceanside 9 mi
• Bonsall 11 mi
• Fallbrook 17 mi
• Rainbow 20 mi
• French Valley 33 mi
• Rancho Mission Viejo 34 mi
• San Juan Capistrano 37 mi

Common garage door repairs

Our service pages explain the common garage door jobs: new garage doors, snapped cables, off-track doors, emergency repair, and opener repair. Prices on our pricing page are starting prices; service at your address is confirmed by phone and the exact price before any work.

This page is a profile of Lake San Marcos, not a service promise. For an answer about your own address, call the number at the top of the page.

The Lake San Marcos page of our website has its own pages and starting prices: visit the Lake San Marcos page.