Liberty, NY has a population of 4,193 and is the 7,234th largest city in the United States. The population density is 1,615 per sq mi which is 350% higher than the New York average and 1683% higher than the national average. The median age in Liberty is 41 which is approximately 8% higher than the New York average of 38. In Liberty, 52% of the population over 15 years of age are married, 80% speak English and 17% speak Spanish. 64% of Liberty residents were born in New York, 17% were born out of state, 3% were born outside of the United States and 16% were foreign born.