Woodstock is a town in Ulster County, New York, United States, in the northern part of the county, northwest of Kingston. It lies within the borders of the Catskill Park. The population was 6,287 at the 2020 census, up from 5,884 in 2010.

Ulster County is a county in the U.S. state of New York. It is situated along the Hudson River. As of the 2020 census, the population was 181,851. The county seat is Kingston. The county is named after the Irish province of Ulster. The county is part of the Hudson Valley region of the state.