Clarendon is a town in Rutland County, Vermont, United States. The population was 2,412 at the 2020 census. Clarendon spans U.S. Route 7 and is split by the highway, the Cold River and Mill River, Otter Creek, and the Green Mountains into the hamlets of Clarendon, West Clarendon, East Clarendon, Clarendon Springs, and North Clarendon