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All Diamond Bar population data above are from the US Census Bureau.
The population data for Diamond Bar are from the Census' American Community Survey 2017 5-year estimates and the Census' 2018 Population Estimates. The demographic data for Dillon Beach, Fountain Valley, Novato, and Woodacre are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2017 5-year estimates, and were downloaded on 6 December 2018. Check out our FAQ section for more details.
With 56,275 people, Diamond Bar is the 167th most populated city in the state of California out of 1,492 cities. But watch out, Diamond Bar, because Fountain Valley with 55,814 people and Novato with 55,655 people are right behind you.
The largest Diamond Bar racial/ethnic groups are Asian (54.5%) followed by White (19.6%) and Hispanic (18.4%).
In 2017, the median household income of Diamond Bar residents was $94,531. Diamond Bar households made slightly more than Dillon Beach households ($94,375) and Woodacre households ($94,271) . However, 6.2% of Diamond Bar residents live in poverty.
The median age for Diamond Bar residents is 42.6 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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