Atherton Flag

Atherton

County Seat:
No
Area (mi²):
5.016
State:
California

Atherton is a town located in San Mateo County, California. Atherton has a 2026 population of 7,022. Atherton is currently growing at a rate of 1.61% annually but its population has decreased by -2.11% since the most recent census, which recorded a population of 7,173 in 2020.

7K
Total Population
1,400
Density (mi²)
111 1.61%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)