Hudson is a city located along the west border of Columbia County, New York, United States. As of the 2010 census it had a population of 6,713, the second-largest in the county, following the nearby town of Kinderhook. Located on the east side of the Hudson River and 120 miles from the Atlantic Ocean, it was named for the river and its namesake explorer Henry Hudson.
Hudson is the county seat of Columbia County. Hudson is sister city with Pallisa, Uganda.