What is the richest county in California?
Santa Clara County is the richest county in California by median household income at $159,674, per Census ACS 5-Year estimates.
Context
Wealthy counties tend to cluster around major employment hubs, university towns, and resort communities. They typically combine high educational attainment, knowledge-economy jobs, and constrained housing supply that filters for affluent residents.
Top 10
| Los Angeles County | $87,760 |
| San Diego County | $102,285 |
| Orange County | $113,702 |
| Riverside County | $89,672 |
| San Bernardino County | $82,184 |
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Frequently Asked Questions
Santa Clara County is the richest county in California by median household income at $159,674, per Census ACS 5-Year estimates.