From a total population of 92,256, San Mateo has a median age of 39.1. The average age of males, in San Mateo, is 37.6 while the average age of females is 40.4. When you compare this to median age of California, San Mateo is 3.5 years older.
The median income of individuals, in San Mateo, is $46,782 while the average household income is $90,087. When comparing the median income of people living in San Mateo to the rest of California, the average income in San Mateo is $16,876 more.