Hacienda Heights, CA has a population of 54,033 and is the 744th largest city in the United States. The population density is 4,834 per sq mi which is 1788% higher than the California average and 5235% higher than the national average. The median age in Hacienda Heights is 42 which is approximately 16% higher than the California average of 36. In Hacienda Heights, 59% of the population over 15 years of age are married, 35% speak English and 28% speak Spanish. 50% of Hacienda Heights residents were born in California, 8% were born out of state, 1% were born outside of the United States and 42% were foreign born.