Ranking of San Mateo, CA Cities and Places By population in 2020
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2020, among all San Mateo, CA cities and places, San Mateo city had the highest population (105.66K), followed by Daly City city (104.95K), and Redwood City city (83.88K).
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.
Data Source: US Census Bureau (Vintage).
Ranking of San Mateo, CA Cities and Places By population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | San Mateo city | 105658 |
| 2 | Daly City city | 104945 |
| 3 | Redwood City city | 83875 |
| 4 | South San Francisco city | 65903 |
| 5 | Balance of San Mateo County | 62981 |
| 6 | San Bruno city | 43750 |
| 7 | Pacifica city | 38541 |
| 8 | Foster City city | 33737 |
| 9 | Menlo Park city | 33689 |
| 10 | Burlingame city | 31279 |
| 11 | San Carlos city | 30648 |
| 12 | East Palo Alto city | 29944 |
| 13 | Belmont city | 28265 |
| 14 | Millbrae city | 23138 |
| 15 | Half Moon Bay city | 11767 |
| 16 | Hillsborough town | 11360 |
| 17 | Atherton town | 7173 |
| 18 | Woodside town | 5290 |
| 19 | Brisbane city | 4841 |
| 20 | Portola Valley town | 4446 |
| 21 | Colma town | 1497 |