West Chazy is a hamlet and census-designated place in the town of Chazy in Clinton County, New York, United States. The population was 529 at the 2010 census.West Chazy is located in the southwest part of the town of Chazy along the Little Chazy River, which flows northeast to Lake Champlain. New York State Route 22 passes through the hamlet, leading south 10 miles to Plattsburgh, the county seat, and north 10 miles to Mooers. The hamlet of Chazy is 6 miles to the northeast along county roads.According to the United States Census Bureau, the West Chazy CDP has a total area of 1.9 square miles, all of it land.