San Mateo County, California Facts
| Facts | |
| State | California |
| Land area | 448.4 square miles |
| Population Density | 1,602.2 persons per square mile. |
| Population | |
| Population (2013) | 747,373 |
| Population change | 4% | Under 5 years of age | 6.1% |
| Under 18 | 21.7% |
| 65 and over | 14.3% |
| Females | 50.7% |
| White | 63.3 |
| Hispanic or Latino of any race | 25.4 |
| Asian | 26.9% |
| Two or more races | 4.4% |
| Black or African American | 3% |
| Native American | 0.9% |
| Pacific Islander | 1.6% |
| Had graduated from high school | 89% |
| Had a bachelor’s degree or higher | 44.4% |
| Veterans | 32,332 |
| Households and Housing | |
| Households | 257,941 |
| Persons per household | 2.8 |
| Living in the same house for one year or more | 87.6% |
| Median household income | $88,202 |
| The per capita income | $45,732 |
| Live below the poverty line. | 7.6% |
| housing units | 272,149 |
| Multi-unit structures | 33% |
| The median value of owner-occupied housing | $722,200 |
| Residents owning their homes. | 59.4% |
| Business Facts | |
| Total number of firms | 74,604 |
| Women-owned firms | 29.9% |
| Asian-owned firms | 18.6% |
| Hispanic-owned firms | 11.7% |
| Black-owned firms | 1.6% |
| Native American-owned firms | 0.9% |
| Pacific Islander-owned firms | 0.5% |
| Retail sales | $10,198,837 |
| Retail sales per capita | $14,625 |
| Manufacturers shipments | $17,918,237 |
| Merchant wholesaler sales | $12,607,786 |