East San Gabriel, CA has a population of 15,787 and is the 2,716th largest city in the United States. The population density is 10,121 per sq mi which is 4255% higher than the California average and 11071% higher than the national average. The median age in East San Gabriel is 43 which is approximately 19% higher than the California average of 36. In East San Gabriel, 59% of the population over 15 years of age are married, 37% speak English and 17% speak Spanish. 43% of East San Gabriel residents were born in California, 8% were born out of state, 1% were born outside of the United States and 47% were foreign born.