Ranking of San Mateo County, CA Cities and Places By Population in 2021

Updated on August 16, 2024.

Based on the US Census Vintage data estimates, in 2021, among all San Mateo County, CA cities and places, San Mateo city had the highest population (102.91K), followed by Daly City city (101.86K), and Redwood City city (81.62K).

The chart below shows the top 10 cities and places, and the table below shows the ranking of all San Mateo cities and places.

You can see similar information for other California counties. You can also see the ranking of all cities and places in California.

See this for other years:
Ranking of San Mateo County, CA Cities and Places By Population in 2021
San Mateo city
Daly City city
Redwood City city
South San Francisco city
Balance of San Mateo County
San Bruno city
Pacifica city
Foster City city
Menlo Park city
Burlingame city
Ranking of San Mateo County, CA Cities and Places By Population in 2021
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Rank City or Place Population
1 San Mateo city 102913
2 Daly City city 101856
3 Redwood City city 81616
4 South San Francisco city 63816
5 Balance of San Mateo County 60874
6 San Bruno city 42275
7 Pacifica city 37169
8 Foster City city 32735
9 Menlo Park city 32566
10 Burlingame city 30200
11 San Carlos city 29622
12 East Palo Alto city 28913
13 Belmont city 27337
14 Millbrae city 22346
15 Half Moon Bay city 11379
16 Hillsborough town 11031
17 Atherton town 6965
18 Woodside town 5121
19 Brisbane city 4675
20 Portola Valley town 4295
21 Colma town 1445