San Mateo County
- Population
- 742,340
- Area
- 0.45 sq mi (1.16 km²), 0.29 sq mi water
- Median age
- 40.9
- Households
- 264,419
- Persons per household
- 2.8
- Median household income
- $158,855
- Median house value
- $1,559,600
Demographics: 2020–2024 ACS
Overnight
57°F
Mostly Clear1% precip
Saturday
78°F
Sunny1% precip
Saturday Night
58°F
Partly Cloudy1% precip
Sunday
78°F
Partly Sunny
Cities & Towns in San Mateo County
AthertonBaywood ParkBelmontBrisbaneBroadmoorBurlingameColmaDaly CityEast Palo AltoEl GranadaEmerald Lake HillsFoster CityHalf Moon BayHighlandsHillsboroughLa HondaLaderaLoma MarMenlo ParkMillbraeMontaraMoss BeachNorth Fair OaksPacificaPescaderoPortola ValleyRedwood CitySan BrunoSan CarlosSan MateoSouth San FranciscoWest Menlo ParkWoodside