Felton, CA has a population of 3,582 and is the 7,941st largest city in the United States. The population density is 787 per sq mi which is 239% higher than the California average and 769% higher than the national average. The median age in Felton is 48 which is approximately 34% higher than the California average of 36. In Felton, 62% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 60% of Felton residents were born in California, 31% were born out of state, 2% were born outside of the United States and 7% were foreign born.