Can a 16 year old marry a 20 year old in New York State?

Yes, with parental consent. For 16- and 17-year-olds, only the parents need give their consent. If the bride and groom are over 18-years-old, there is no parental consent needed to be married.

There may be some minor variations in laws by county in New York State. The local county offices should be contacted to confirm local laws and to have any questions answered.