sidneySituated at the shore of the Salish Sea, Sidney’s historic and vibrant downtown district is the heart of the Saanich Peninsula. Locally owned storefronts, coffee shops, eateries, and more offerSidney is a town in Delaware County, New York, United States. The population was 5,536 at the 2020 census. [3] [4] The town is at the northwestern corner of the county and contains