Cassadaga, NY has a population of 710 and is the 17,380th largest city in the United States. The population density is 847 per sq mi which is 136% higher than the New York average and 834% higher than the national average. The median age in Cassadaga is 42 which is approximately 9% higher than the New York average of 38. In Cassadaga, 60% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 83% of Cassadaga residents were born in New York, 16% were born out of state, 0% were born outside of the United States and 1% were foreign born.