Bay Shore, NY has a population of 29,704 and is the 1,445th largest city in the United States. The population density is 5,497 per sq mi which is 1432% higher than the New York average and 5967% higher than the national average. The median age in Bay Shore is 34 which is approximately 11% lower than the New York average of 38. In Bay Shore, 47% of the population over 15 years of age are married, 65% speak English and 27% speak Spanish. 69% of Bay Shore residents were born in New York, 6% were born out of state, 2% were born outside of the United States and 22% were foreign born.