San Marcos, CA Population Statistics: Density Map Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Population | 91,372 | 38,909,900 | 334,821,731 |
| Population density (per sq mi) | 3715.8 | 237.3 | 85.8 |
| Population growth (%/yr) | 1.44% | 0.19% | 0.57% |
| Median age | 37.6 | 35.4 | 37.1 |
| Households | 29,338 | 13,415,389 | 128,459,983 |
Population in San Marcos grew by 21.4% from 2009 to 2023, reaching 88,716 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
San Marcos has a the economy index of B, which means it is quite prosperous.
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $104,566 | $96,718 | $78,145 |
| Income growth (%/yr) | 8.05% | 6.01% | 5.07% |
| Unemployment rate | 4.7% | 6.4% | 5.2% |
The median household income in San Marcos is about 8% higher than in California.
Housing
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $643,837 | $642,203 | $242,182 |
| Median rent | $2,196 | $1,955 | $1,342 |
| Homeownership rate | 62.6% | 55.8% | 65.1% |
The median home price in San Marcos is about 24.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,196 per month for that long.
Commute Time & Mobility
The most common departure window is 07:00 AM – 07:29 AM , followed by 08:00 AM – 08:29 AM .
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Average commute time (min) | 23.6 | 23.6 | 22.5 |
| Work from home | 17.6% | 15.5% | 13.4% |
The average commute time in San Marcos is about the same as in California.
Education & Households
San Marcos has a education index of B, which means it is quite educated.
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 36.1% | 33.0% | 31.6% |
| Average household size | 2.96 | 2.85 | 2.54 |
Health
San Marcos has a health index of B, which means it is quite healthy.
| Metric | San Marcos | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 81.7 | 79.6 | 78.3 |
| Self-rated poor health | 15.4% | 16.4% | 16.3% |
| Smokers | 12.1% | 13.9% | 19.0% |
Frequently Asked Questions
Common questions about San Marcos, California.
What is the population of San Marcos, California?
The population of San Marcos, California is 91,372, compared to the U.S. total of 334,821,731.
What is the population density of San Marcos, California?
The population density of San Marcos, California is 3715.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in San Marcos, California?
The median household income in San Marcos, California is $104,566, compared to the U.S. median of $78,145.
What is the median home price in San Marcos, California?
The median home price in San Marcos, California is $643,837, compared to the U.S. median of $242,182.
What is the unemployment rate in San Marcos, California?
The unemployment rate in San Marcos, California is 4.7%, compared to the U.S. average of 5.2%.