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San Mateo County, CA
| San Mateo County Population: 707,161 Population Density: 1,574.7 per square mile Water Area Percentage: 39.4% (291.95 square miles) Land Area Percentage: 60.6% (449.07 square miles) Total Area: 741.01 square miles Housing Units: 260,576 per square mile County Links Waterfalls In San Mateo County • Año Nuevo Bay • Anza Lagoon • Coyote Point Yacht Harbor • Edun Cove • Half Moon Bay • Redwood Shores Lagoon • San Francisco Bay | 
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| Quick Links Stampede Reservoir News Stampede Reservoir Photos Stampede Reservoir Videos | 





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