Lake San Marcos, CA
Population 4,996 · California
About Lake San Marcos, CA
Lake San Marcos is a small community in California with a population of 4,996 residents. The median household income is $100,676 per year, which is above the national average. The median age in Lake San Marcos is 60.1 years.
Housing in Lake San Marcos has a median home value of $859,600 and median monthly rent of $2,615. Of the 2,285 total housing units, the majority are owner-occupied, with 1,684 owner-occupied and 464 renter-occupied units.
The unemployment rate in Lake San Marcos is 3.4% and the poverty rate is 6.3%. 35.5% of residents hold a bachelor's degree or higher. The average commute time is 22.1 minutes.
Cost of Living in Lake San Marcos, CA
Compared to national averages, Lake San Marcos has a median household income of $100,676 (34% above the national median of $75,149). Home values average $859,600, which is 251% above the national median. Monthly rent at $2,615 is 125% above the US average of $1,163. Within California, Lake San Marcos's income is 3% above the state average of $97,829, and home values are 31% above the state median of $653,874.
Why Live in Lake San Marcos, CA?
Lake San Marcos offers a strong local economy with a median household income of $100,676, well above the national average, and a strong job market with an unemployment rate of just 3.4%, and a well-educated community where 35.5% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 6.3%, better than the national average, and short commute times averaging just 22.1 minutes.
Potential considerations include a competitive housing market where the typical home costs $859,600. However, Lake San Marcos’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Lake San Marcos has a population of 4,996 with a median age of 60.1 years. Compare Lake San Marcos with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near Lake San Marcos
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Sunnyside | 5,003 | $114,500 | $489,300 | Compare |
| Lake of the Pines | 5,012 | $118,661 | $639,400 | Compare |
| Lake Wildwood | 4,967 | $87,552 | $495,100 | Compare |
| Sonora | 4,965 | $62,621 | $379,300 | Compare |
| Myrtletown | 5,028 | $55,543 | $437,600 | Compare |
| Oakhurst | 4,956 | $76,606 | $372,500 | Compare |
| Big Bear Lake | 5,038 | $74,728 | $517,900 | Compare |
| Running Springs | 5,043 | $85,681 | $373,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in California
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Lake San Marcos
What is the population of Lake San Marcos, CA?
The population of Lake San Marcos, CA is 4,996 according to the latest Census data.
What is the median household income in Lake San Marcos?
The median household income in Lake San Marcos, CA is $100,676 per year.
What is the median home value in Lake San Marcos?
The median home value in Lake San Marcos, CA is $859,600.
What is the average rent in Lake San Marcos?
The median monthly rent in Lake San Marcos, CA is $2,615.
What is the unemployment rate in Lake San Marcos?
The unemployment rate in Lake San Marcos, CA is 3.4%.