Lake San Marcos, California
Quick Statistics
Lake San Marcos is a community in San Diego County, California, home to about 4,693 people spread across 1.7 square miles of land. The median personal income here is $40,705 a year, and a typical home is worth about $917,000. About 46.0% of adults hold a college degree, and 93.2% of residents under 65 have health insurance. The population has grown about 6 percent over the past decade.
See how Lake San Marcos has changed over the past 15 years »
Among the California towns GeoStat tracks, Lake San Marcos ranks number 677 of 1,570 in population, number 681 in median household income, number 309 in median home value. See how it stacks up on the trends page or compare it with another town.
Summers around Lake San Marcos typically top out near 90°F in July, while January nights average about 38°F. Full normals are on the climate page.
| # | Town | Distance | Population |
|---|---|---|---|
| 1. | San Marcos, CA | 2.3 mi. | 94,882 |
| 2. | Carlsbad, CA | 4.4 mi. | 114,373 |
| 3. | Vista, CA | 5.0 mi. | 99,114 |
| 4. | Encinitas, CA | 5.9 mi. | 61,480 |
| 5. | Rancho Santa Fe, CA | 6.7 mi. | 2,260 |
| 6. | Escondido, CA | 7.8 mi. | 149,668 |
| 7. | Hidden Meadows, CA | 8.7 mi. | 3,524 |
| 8. | Oceanside, CA | 9.0 mi. | 172,242 |
What is the population of Lake San Marcos, California?
Lake San Marcos has a population of about 4,693 people, according to the latest Census Bureau estimates.
What county is Lake San Marcos, California in?
Lake San Marcos is located in San Diego County, California.
What is the median home value in Lake San Marcos, California?
The median home value in Lake San Marcos is about $917,000, based on American Community Survey data.
What is the median income in Lake San Marcos, California?
The median personal income in Lake San Marcos is about $40,705 per year.
How many tornadoes have hit near Lake San Marcos, California?
Since 1950, 27 tornadoes have been recorded in San Diego County. See the tornado page for maps and details of each one.
What is the weather like in Lake San Marcos, California?
Typical July highs run about 90 degrees and January lows about 38 degrees. Figures are 30-year NOAA climate normals.
Use the menu on the left to find more detailed statistics on Lake San Marcos, California.