San Marino, CA
Population 12,279 · California
About San Marino, CA
San Marino is a mid-sized city in California with a population of 12,279 residents. The median household income is $187,633 per year, which is above the national average. The median age in San Marino is 45.2 years.
Housing in San Marino has a median home value of $2,000,001 and median monthly rent of $3,501. Of the 4,363 total housing units, the majority are owner-occupied, with 3,150 owner-occupied and 657 renter-occupied units.
The unemployment rate in San Marino is 4.1% and the poverty rate is 5.8%. 80.2% of residents hold a bachelor's degree or higher. The average commute time is 28.4 minutes.
How San Marino Ranks in California
Cost of Living in San Marino, CA
Compared to national averages, San Marino has a median household income of $187,633 (150% above the national median of $75,149). Home values average $2,000,001, which is 717% above the national median. Monthly rent at $3,501 is 201% above the US average of $1,163. Within California, San Marino's income is 92% above the state average of $97,829, and home values are 206% above the state median of $653,874.
Why Live in San Marino, CA?
San Marino offers a strong local economy with a median household income of $187,633, well above the national average, and a well-educated community where 80.2% of residents hold a bachelor’s degree or higher, and a low poverty rate of 5.8%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $2,000,001. However, San Marino’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
San Marino has a population of 12,279 with a median age of 45.2 years. Compare San Marino with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near San Marino
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Newman | 12,299 | $75,344 | $381,900 | Compare |
| Tehachapi | 12,366 | $67,785 | $344,700 | Compare |
| Tamalpais-Homestead Valley | 12,153 | $238,158 | $1,811,100 | Compare |
| Fortuna | 12,413 | $61,603 | $353,200 | Compare |
| Scotts Valley | 12,138 | $140,887 | $1,092,000 | Compare |
| Commerce | 12,072 | $71,768 | $583,200 | Compare |
| Big Bear City | 12,493 | $72,457 | $427,700 | Compare |
| Mendota | 12,554 | $46,458 | $250,400 | 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 San Marino
What is the population of San Marino, CA?
The population of San Marino, CA is 12,279 according to the latest Census data.
What is the median household income in San Marino?
The median household income in San Marino, CA is $187,633 per year.
What is the median home value in San Marino?
The median home value in San Marino, CA is $2,000,001.
What is the average rent in San Marino?
The median monthly rent in San Marino, CA is $3,501.
What is the unemployment rate in San Marino?
The unemployment rate in San Marino, CA is 4.1%.