Elwood, NY has a population of 11,197 and is the 3,614th largest city in the United States. The population density is 2,342 per sq mi which is 553% higher than the New York average and 2485% higher than the national average. The median age in Elwood is 42 which is approximately 10% higher than the New York average of 38. In Elwood, 65% of the population over 15 years of age are married, 80% speak English and 6% speak Spanish. 79% of Elwood residents were born in New York, 6% were born out of state, 1% were born outside of the United States and 14% were foreign born.