Atherton is an incorporated town in San Mateo County, California, with a 2020 population of 7,141, it is the 408th largest city in California and the 3903rd largest city in the United States. Current population is 7,141.
Located on the Peninsula just north of internationally renowned Stanford University, the town of Atherton is home to a cosmopolitan population dominated by professionals and prominent figures in government, education, industry, sports, and the arts.
In September 2010, Forbes magazine placed Atherton's ZIP code of 94027 at #2 on its annual list of America's most expensive zip codes. In October 2013, 94027 moved to #1 on the list, where it remained through at least 2018, save for 2016 when it appeared at #3. In context, Beverly Hills was placed at #14 in 2015. Atherton had topped the list in earlier decades; a 20- year retrospective showed Atherton also at #1 in 1998. Atherton is one of the wealthiest cities in the United States.
Among Atherton's public schools, Encinal, Las Lomitas, and Laurel are elementary schools, while Selby Lane is both an elementary and a middle school. Menlo-Atherton is a high school. Atherton does not have its own public school system. Selby Lane is part of the Redwood City School District, the high school is part of the Sequoia Union High School District, Las Lomitas Elementary School is part of the Las Lomitas Elementary School District, and both Encinal and Laurel are part of the Menlo Park City School District. Among the town's private schools, Sacred Heart is an elementary, middle and high school, and Menlo School is a middle and high school. Menlo College is a private four-year college.
According to the California Secretary of State, as of February 10, 2019, Atherton has 4,953 registered voters. Of those, 1,720 (34.7%) are registered Democrats, 1,541 (31.1%) are registered Republicans and 1,501 (30.3%) have declined to state a political party.
There are a number of active community organizations: the Atherton Heritage Association, the Atherton Arts Committee, the Atherton Tree Committee, the Friends of the Atherton Community Library, the Holbrook Palmer Park Foundation, the Atherton Dames, the Police Task Force, and the Atherton Civic Interest League. There are also home owners' associations in various neighborhoods. The Menlo Circus Club is a private club with tennis, swimming, stables and a riding ring located within the town.
There are also several tracts of contemporary Eichler homes, most notably in the Lindenwood neighborhood in the northeast part of the town. The Holbrook-Palmer Estate, was once an active rural estate and gentleman's farm. The Holbrook-Palmer Estate was donated to the city of Atherton in 1958 and now serves as a 22-acre public park and is listed on the National Register of Historic Places for the architecture.