Demographics in Lake San Marcos, CA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Lake San Marcos?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
4,996
Male
2,331
46.7%
Female
2,665
53.3%
Median Age
60.1
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White68.7%
Black1.0%
Hispanic21.6%
Asian5.7%
Two or More5.6%
Other19.0%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
30.0%
High School or Higher
42.5%
Foreign Born
19.6%
Veterans
7.2%
Married
48.0%
Avg Household Size
2.3
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Lake San Marcos, CA has a population of 4,996 with a median age of 60.1. The racial makeup is 68.7% White, 21.6% Hispanic, 1.0% Black, 5.7% Asian. About 30.0% of residents hold a bachelor's degree or higher. The foreign-born population is 19.6%.