Hillsborough is located in California. Hillsborough, California has a population of 11,436. Hillsborough is more family-centric than the surrounding county with 41.9% of the households containing married families with children. The county average for households married with children is 36.67%.
The median household income in Hillsborough, California is $238,750. The median household income for the surrounding county is $105,667 compared to the national median of $57,652. The median age of people living in Hillsborough is 47.6 years.
The average high temperature in July is 74.3 degrees, with an average low temperature in January of 42.2 degrees. The average rainfall is approximately 24.8 inches per year, with 0 inches of snow per year.