Atherton is a city located in 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. Atherton is currently declining at a rate of -0.32% annually but its population has increased by 3.28% since the most recent census, which recorded a population of 6,914 in 2010. Atherton reached it's highest population of 8,085 in 1970. Spanning over 5 miles, Atherton has a population density of 1,420 people per square mile.
The average household income in Atherton is $525,324 with a poverty rate of 3.43%. The median rental costs in recent years comes to $3,500 per month, and the median house value is $2.00 Mn. The median age in Atherton is 47.6 years, 45 years for males, and 49.7 years for females. For every 100 females there are 100.5 males.