Santa Fe Springs, CA has a population of 17,436 and is the 2,478th largest city in the United States. The population density is 1,965 per sq mi which is 746% higher than the California average and 2069% higher than the national average. The median age in Santa Fe Springs is 37 which is approximately 3% higher than the California average of 36. In Santa Fe Springs, 51% of the population over 15 years of age are married, 44% speak English and 47% speak Spanish. 67% of Santa Fe Springs residents were born in California, 7% were born out of state, 1% were born outside of the United States and 26% were foreign born.