In 2023, Lake San Marcos, CA had a population of 5k people with a median age of 60.1 and a median household income of $100,676. Between 2022 and 2023 the population of Lake San Marcos, CA grew from 4,080 to 4,996, a 22.5% increase and its median household income grew from $94,811 to $100,676, a 6.19% increase.
The 5 largest ethnic groups in Lake San Marcos, CA are White (Non-Hispanic) (67.4%), Other (Hispanic) (18.6%), Asian (Non-Hispanic) (5.66%), Two+ (Non-Hispanic) (3.94%), and Two+ (Hispanic) (1.66%).
None of the households in Lake San Marcos, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
93% of the residents in Lake San Marcos, CA are U.S. citizens.
In 2023, the median property value in Lake San Marcos, CA was $859,600, and the homeownership rate was 78.4%.
Most people in Lake San Marcos, CA drove alone to work, and the average commute time was 22.1 minutes. The average car ownership in Lake San Marcos, CA was 2 cars per household.