South Fallsburg, NY has a population of 3,235 and is the 8,428th largest city in the United States. The population density is 544 per sq mi which is 52% higher than the New York average and 500% higher than the national average. The median age in South Fallsburg is 23 which is approximately 39% lower than the New York average of 38. In South Fallsburg, 43% of the population over 15 years of age are married, 58% speak English and 36% speak Spanish. 63% of South Fallsburg residents were born in New York, 10% were born out of state, 6% were born outside of the United States and 21% were foreign born.