Lake San Marcos, CA ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in San Diego County.

ACS 2023 population

4,996

Median household income

$100,676

Median home value

$859,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Lake San Marcos (GEOID 0639724). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 53,542 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Lake San Marcos, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Lake San Marcos, CA — Census place boundary for Lake San Marcos, CA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Lake San Marcos

Population overlap

Share of each ZIP/ZCTA’s population located within Lake San Marcos, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

9207810.2%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Lake San Marcos

ZIP	City	County	Population	Income
92078	San Marcos	San Diego County	53,542	$114,905