At a Glance
Median Income
$100,676
$57,383 per capita
Home Value
$859,600
Zillow: $943,389
Median Rent
$2,615/mo
32.1% of income on rent
Bachelor's Degree+
35.5%
87.4% high school+
Unemployment
3.4%
2.5% poverty rate
Obesity Rate
24.0%
8.9% smoking rate
How Lake San Marcos Compares to the U.S. Average
Each bar shows Lake San Marcos's value as a percentage of the national average (100% = U.S. avg)
Thin vertical line = U.S. national average (100%)
Is Lake San Marcos a Good Place to Live?
B+
3.5 / 5.0 - Good
Based on economy, affordability, safety, and education metrics compared to national averages.
Economy & Jobs
Lake San Marcos residents earn a median household income of $100,676 , which is 34% above the national average of $75,149.
Per capita income is $57,383. The unemployment rate stands at 3.4% (6% below the U.S. rate of 3.6%). 2.5% of residents live below the poverty line. The area is home to 148,394 business establishments, including 8,853 restaurants.
Housing & Cost of Living
The median home value in Lake San Marcos is $859,600 , 205% above the national median of $281,900.
Zillow estimates the typical home at $943,389. Median rent is $2,615/month, with 32.1% of renters spending more than 30% of income on housing. The cost of living index is 110.7 (100 = national average). The median home was built in 1979.
Education
35.5% of adults in Lake San Marcos hold a bachelor's degree or higher
(5% above the national average).
87.4% have completed high school. Local schools score 5.7/10 in standardized testing.
Climate & Weather
Lake San Marcos has an average annual temperature of 63°F (17°C).
Winters average 56°F in January while summers reach 69°F in July. Annual precipitation totals 11.4 inches. Air quality is rated Moderate with a median AQI of 54.
Data Overview
People
Population4,996
Median Age60.1 yrs
Density2,922/mi²
Male / Female47% / 53%
Foreign Born19.6%
Veterans8.1%
Economy
A+
Median Income$100,676
Per Capita$57,383
Unemployment3.4%
Poverty2.5%
County GDP$351,753M
Avg Weekly Wage$1,565
Housing
D
Home Value$859,600
Rent$2,615
Ownership78.4%
Zillow$943,389
Housing Units2,401
Rent Burden32.1%
Health
Obesity24.0%
Diabetes7.4%
Smoking8.9%
Premature Death5,325/100K
Climate
Avg Temp63°F
Rain11.4 in/yr
AQI54 (Moderate)
Elevation503 ft
Education
B+
Bachelor's+35.5%
High School+87.4%
Graduate+15.7%
School Score5.7/10
Community
2024 VoteR 47% / D 50%
Commute22 min
Broadband94.0%
Internet Speed153 Mbps
EV Stations35
Libraries67
Did You Know?
The median home in Lake San Marcos was built in 1979.
21.0% work from home.
The nearest airport is San Diego International (27 miles).
The Gini coefficient (income inequality) is 0.468 (U.S. avg: 0.490).
Natural hazard risk is rated "Very High" by FEMA.
17.0% of the population has a disability.
19.6% of residents are foreign-born.
Average internet download speed is 153 Mbps.
There are 8,853 restaurants in the area.
The county recorded 238 fatal vehicle crashes.
364 declared natural disasters on record.