Germantown, NY has a population of 896 and is the 15,829th largest city in the United States. The population density is 335 per sq mi which is 7% lower than the New York average and 269% higher than the national average. The median age in Germantown is 44 which is approximately 16% higher than the New York average of 38. In Germantown, 65% of the population over 15 years of age are married, 86% speak English and 8% speak Spanish. 73% of Germantown residents were born in New York, 13% were born out of state, 4% were born outside of the United States and 10% were foreign born.