Atherton,_California

Atherton ( ATH-ər-tən) is an incorporated town in San Mateo County, California, United States. Its population was 7,188 as of 2020. The town’s zoning regulations permit only one single-family home per acre, and prohibit sidewalks.Atherton is known for its wealth; in 1990 and 2019, Atherton was ranked as having the highest per capita income among U.S. places that have a population between 2,500 and 9,999, and the area covered by its ZIP Code is regularly ranked as having the highest cost of living in the United States. In 2023, the Atherton ZIP Code had the highest median home prices in the United States, at $7,950,000.