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 2025 population of 6,591. Atherton is currently declining at a rate of -1.73% annually and its population has decreased by -8.09% since the most recent census, which recorded a population of 7,171 in 2020.

The average household income in Atherton is $619,754 with a poverty rate of 3.33%.The median age in Atherton is 49 years: 48.1 years for males, and 50 years for females.

6.6K
Total Population
1,314
Density (mi²)
-116 -1.73%
Growth

Atherton Population

Atherton Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Atherton includes 69.79% White, 18.57% Asian, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,90069.79%
Asian1,30418.57%
Two or more races6329%
Other race1111.58%
Black or African American570.81%
Native Hawaiian or Pacific Islander130.19%
Native American40.06%

Atherton Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Atherton's average per capita income is $154,432. Household income levels show a median of $250,001. The poverty rate stands at 3.33%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Households$250,001$619,754
Families$250,001$695,802
Married Families$250,001-
Non Families$117,379$297,412

$154,432

Average Income

$250,001

Median Household Income

3.33%

Poverty Rate

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)