Kinderhook, NY has a population of 1,463 and is the 12,806th largest city in the United States. The population density is 695 per sq mi which is 69% higher than the New York average and 668% higher than the national average. The median age in Kinderhook is 43 which is approximately 12% higher than the New York average of 38. In Kinderhook, 68% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 74% of Kinderhook residents were born in New York, 21% were born out of state, 1% were born outside of the United States and 4% were foreign born.