East Whittier, CA has a population of 10,435 and is the 3,830th largest city in the United States. The population density is 9,569 per sq mi which is 4018% higher than the California average and 10462% higher than the national average. The median age in East Whittier is 38 which is approximately 6% higher than the California average of 36. In East Whittier, 60% of the population over 15 years of age are married, 63% speak English and 31% speak Spanish. 69% of East Whittier residents were born in California, 13% were born out of state, 1% were born outside of the United States and 17% were foreign born.