Mission Hills, CA has a population of 3,616 and is the 7,897th largest city in the United States. The population density is 2,992 per sq mi which is 1187% higher than the California average and 3202% higher than the national average. The median age in Mission Hills is 43 which is approximately 19% higher than the California average of 36. In Mission Hills, 64% of the population over 15 years of age are married, 71% speak English and 27% speak Spanish. 64% of Mission Hills residents were born in California, 21% were born out of state, 2% were born outside of the United States and 13% were foreign born.