
Redwood City
- County:
- San Mateo County
- County Seat:
- Yes
- Area (mi²):
- 19.336
- State:
- California
Redwood City is a city located in San Mateo County, California. Redwood City has a 2025 population of 79,068. It is also the county seat of San Mateo County. Redwood City is currently declining at a rate of -1.2% annually and its population has decreased by -5.74% since the most recent census, which recorded a population of 83,887 in 2020.
The average household income in Redwood City is $224,138 with a poverty rate of 6.62%. The median age in Redwood City is 37.5 years: 36.1 years for males, and 38.8 years for females.