Atherton, CA Profile: Facts, Map & Data


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Atherton, California - Basic Facts

The Town of Atherton had a population of 7,134 as of July 1, 2017.

The primary coordinate point for Atherton is located at latitude 37.4571 and longitude -122.2011 in San Mateo County. The formal boundaries for the Town of Atherton (see map below) encompass a land area of 5.03 sq. miles and a water area of 0.03 sq. miles. San Mateo County is in the Pacific time zone (GMT -8). The elevation is 59 feet.

The Town of Atherton (GNIS ID: 2411651) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Atherton is located within San Mateo CCD of San Mateo County.

Beneath the boundary map are tables with Atherton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Atherton: Fair Oaks.

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Town of Atherton, CA Boundary Map

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Atherton, CA Data & Demographics (As of July 1, 2017)


Total Population 7,134
Daytime Population: Workers 1,749
Daytime Population: Residents 4,393
Total Daytime Population (TDP) 6,142
Ratio TDP/Total Population1 0.86
Population in Households 6,749
Population in Familes 5,995
Population in Group Qrtrs 385
Population Density2 1,419
Diversity Index3 43


Median Household Income $200,001
Average Household Income $303,360
Per Capita Income $104,337


Total Housing Units 2,605 (100%)
Owner Occupied HU 2,163 (83.0%)
Renter Occupied HU 236 ( 9.1%)
Vacant Housing Units 206 ( 7.9%)
Median Home Value $1,000,001
Average Home Value $1,222,816


Total Households 2,399
Average Household Size 2.81
Family Households 1,970
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.43% 0.5%
Households 0.4% 0.48%
Families 0.41% 0.47%
Median Household Income   0.0%
Per Capita Income   1.18%

Atherton, CA - Peer Comparisons by Rank and Percentile

The table below compares Atherton to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 562 63rd
Population Density # 694 54th
Diversity Index # 1113 27th
Median Household Income # 7 100th
Per Capita Income # 6 100th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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