San Antonio Heights, CA has a population of 3,099 and is the 8,641st largest city in the United States. The population density is 1,295 per sq mi which is 457% higher than the California average and 1330% higher than the national average. The median age in San Antonio Heights is 48 which is approximately 34% higher than the California average of 36. In San Antonio Heights, 66% of the population over 15 years of age are married, 78% speak English and 5% speak Spanish. 64% of San Antonio Heights residents were born in California, 18% were born out of state, 0% were born outside of the United States and 17% were foreign born.
