| Statistic | Downtown | San Mateo | California | 
| Population | 6,520 | 103,619 | 39,512,223 | 
| Population density (sq mi) | 11,172 | 8,539 | 256 | 
| Median age | 41.8 | 37.8 | 36.0 | 
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 | 
| Married (15yrs & older) | n/a | 58% | 52% | 
| Families w/ Kids under 18 | 41% | 43% | 46% | 
| Speak English | n/a | 57% | 56% | 
| Speak Spanish | n/a | 18% | 29% | 

				
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				| Race | Downtown | San Mateo | California | 
| White | 63.43% | 50.17% | 61.26% | 
| Black | 2.77% | 2.20% | 5.85% | 
| Asian | 20.64% | 24.35% | 13.85% | 
| American Indian | 0.00% | 0.59% | 0.74% | 
| Native Hawaiian | 0.00% | 2.33% | 0.39% | 
| Mixed race | 3.94% | 8.18% | 4.62% | 
| Other race | 9.23% | 12.18% | 13.28% |