Diamond Bar is located in California. Diamond Bar, California has a population of 55,586. Diamond Bar is more family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 29%.
The median household income in Diamond Bar, California is $98,216. The median household income for the surrounding county is $67,678 compared to the national median of $61,963. The median age of people living in Diamond Bar is 42.7 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 41.5 degrees. The annual precipitation is 16.98.