Westport hamlet is located in the center of the town of Westport, at the outflow of Hoisington Brook into North West Bay of
Lake Champlain. The CDP extends north along the shore of the lake as far as Cove Lane and south to Maple Way. The western edge of the CDP is formed by the
Delaware and Hudson Railway line and by Hammond Brook. New York State Routes
9N and
22 intersect in the center of the hamlet. Route 9N leads west to
Interstate 87 and to
Elizabethtown, while NY 22 leads north to
Willsboro. NY 9N and 22 together lead south to
Port Henry and to
Ticonderoga.
Plattsburgh is north via NY 9N and I-87. According to the
United States Census Bureau, the Westport CDP has a total area of , all land. ==Demographics==