Is Lake San Marcos, CA a Good Place to Live?
Lake San Marcos is a small town of 4,080 in California, with a median household income of $94,811 and a 4.5% unemployment rate. Its cost of living index is 112 (US average = 100), which is 12% above the national average.
Strengths: Lake San Marcos stands out for a well-educated population, short average commutes.
Trade-offs: Potential downsides include an above-average cost of living, high home prices. Whether Lake San Marcos is right for you depends on your priorities — the full breakdown is below.
All Lake San Marcos city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 111.5Lake San Marcos's overall cost of living index is 111.5, where 100 represents the US national average. Living in Lake San Marcos costs roughly 12% more than the average American city.
| Metric | Lake San Marcos, CA | National Avg |
|---|---|---|
| Median Home Value | $712,800 | $244,900 |
| Median Monthly Rent | $2,412 | $1,163 |
| Homeownership Rate | 81.3% | 65.9% |
| Median Household Income | $94,811 | $74,755 |
Crime & Safety
Safer than AverageLake San Marcos's violent crime rate is 376.7 per 100,000 residents — 1% lower than the national average of ~380 per 100,000.
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
| Metric | Lake San Marcos, CA | National Avg |
|---|---|---|
| School District | N/A | — |
| Elementary Schools | N/A | — |
| Middle Schools | N/A | — |
| High Schools | N/A | — |
| Student/Teacher Ratio | N/A | 16:1 |
| Bachelor's Degree or Higher | 40.5% | 35.4% |
| High School Diploma or Higher | 95.2% | 91.1% |
Weather & Climate
Lake San Marcos sees average highs of 65.0°F in January and 74.2°F in July, with 13.2 inches of annual precipitation .
| Metric | Lake San Marcos, CA |
|---|---|
| Average High — January | 65.0°F |
| Average High — July | 74.2°F |
| Annual Precipitation | 13.2" |
| Annual Snowfall | Trace / None |
Demographics
| Metric | Lake San Marcos, CA | National Avg |
|---|---|---|
| Population | 4,080 | — |
| Median Age | 64.5 | 38.9 |
| Unemployment Rate | 4.5% | 3.7% |
| Avg Commute Time | 24.7 min | 26 min |
| White (non-Hispanic) | 87.8% | 59.3% |
| Black or African American | 0.9% | 13.6% |
| Hispanic or Latino | 6.6% | 18.9% |
| Asian | 4.3% | 6.3% |
| Under 18 | 9.2% | 22.2% |
| 65 and over | 49.2% | 16.8% |