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San Mateo

County in California (USA)

Contents: Population

The population development of San Mateo as well as related information and services (Wikipedia, Google, images).

San MateoCounty649,623707,161718,451764,442
USA [United States of America]Federal Republic248,709,873281,421,906308,745,538331,449,281

Source: U.S. Census Bureau (web).

Explanation: All population totals refer to 2020 boundaries.


Further information about the population structure:

Gender (E 2019)
Males379,508
Females387,065
Age Groups (E 2019)
0-14 years128,745
15-64 years510,951
65+ years126,877
Age Distribution (E 2019)
0-9 years84,971
10-19 years84,928
20-29 years96,602
30-39 years117,717
40-49 years105,149
50-59 years103,051
60-69 years86,611
70-79 years53,785
80+ years33,759
»Race« (C 2020)
White300,188
Black/African American15,707
Indigenous6,812
Asian230,242
Pacific Islander9,302
Some other107,924
2 or more94,267
Ethnicity (C 2020)
Hispanic or Latino191,386
Other573,056

See also:

Located in:


USA: Counties