Chino Hills, CA has a population of 77,266 and is the 455th largest city in the United States. The population density is 1,729 per sq mi which is 644% higher than the California average and 1809% higher than the national average. The median age in Chino Hills is 38 which is approximately 6% higher than the California average of 36. In Chino Hills, 61% of the population over 15 years of age are married, 58% speak English and 15% speak Spanish. 58% of Chino Hills residents were born in California, 12% were born out of state, 1% were born outside of the United States and 29% were foreign born.