| Index | San Carlos | California | National |
| Income per capita | $95,211 | $31,458 | $29,829 |
| Median household income | $189,739 | $63,783 | $55,322 |
| Median income owner occupied | $233,221 | $86,568 | $70,586 |
| Median income renter occupied | $113,378 | $43,419 | $35,192 |
| Median earnings male | $118,617 | $36,599 | $36,919 |
| Median earnings female | $80,078 | $27,020 | $26,250 |
| Unemployment rate | 2.9% | 5.5% | 4.7% |
| Poverty level | 3.2% | 15.8% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 6.2% | 6.2% |
| Manufacturing sector | 13.4% | 13.4% |
| Financial & insurance services | 6.3% | 6.3% |
| Wholesale & retail services | 8.0% | 8.0% |
| Public administration | 2.3% | 2.3% |
| Transportation, warehousing & utilities | 3.8% | 3.8% |
| Education, health & social services | 10.2% | 10.2% |
| Other | 38.3% | 38.3% |
| City | Population | Household Income | National Avg. |
| Emerald Lake Hills, CA | 4,893 | $250,001 | 351.9% |
| Hillsborough, CA | 11,608 | $250,001 | 351.9% |
| Loyola, CA | 3,404 | $250,001 | 351.9% |
| Woodside, CA | 5,593 | $250,001 | 351.9% |
| Atherton, CA | 7,060 | $250,001 | 351.9% |
| San Carlos, CA | 29,647 | $189,739 | 243.0% |
| City | Population | Household Income | National Avg. |
| Middle River, MD | 29,665 | $65,947 | 19.2% |
| Carney, MD | 29,624 | $70,835 | 28.0% |
| Westfield, NJ | 29,690 | $158,323 | 186.2% |
| Rahway, NJ | 29,691 | $77,393 | 39.9% |
| Chicago Heights, IL | 29,598 | $49,880 | 9.8% |
| San Carlos, CA | 29,647 | $189,739 | 243.0% |
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