San Mateo Sun

Of the 13,194 people residing in San Marino, CA in 2019, the median age was 47, according to U.S. Census Bureau data obtained by the San Mateo Sun.

The largest number of people were in the 55 to 64 age bracket with the fewest number of people in the age bracket for people over the age of 84.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau’s American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.

Age	Estimated Number	% of overall Population
Under 5 years old	465	3.5
5 to 9 years old	803	6.1
10 to 14 years old	882	6.7
15 to 19 years old	1,023	7.8
20 to 24 years old	341	2.6
25 to 34 years old	1,102	8.4
35 to 44 years old	1,523	11.5
45 to 54 years old	2,076	15.7
55 to 64 years old	2,251	17.1
65 to 74 years old	1,666	12.6
75 to 84 years old	757	5.7
85 and older years old	305	2.3

Source: US Census Bureau