Los Altos Hills is an incorporated town in Santa Clara County, California, United States. The population was 7,922 at the 2010 census.
The Los Altos Hills ZIP code 94022 appeared on the 2017 Forbes list of America's most expensive ZIP codes; 94022 was ranked the 3rd most expensive in the United States, with a median home price of $7,755,000. In 2019, a Bloomberg analysis ranked Los Altos Hills the fourth richest town in the United States.