East Palo Alto, CA has a population of 29,353 and is the 1,461st largest city in the United States. The population density is 11,644 per sq mi which is 4911% higher than the California average and 12752% higher than the national average. The median age in East Palo Alto is 29 which is approximately 19% lower than the California average of 36. In East Palo Alto, 44% of the population over 15 years of age are married, 27% speak English and 59% speak Spanish. 47% of East Palo Alto residents were born in California, 11% were born out of state, 1% were born outside of the United States and 42% were foreign born.