Theresa is a town located in Jefferson County, in the state of New York (NY), United States. Nestled in the Middle Atlantic division of the North-east region, it covers an area of 65.4 square miles (169.0 km²) and sits at an elevation of 391 ft. With a population of approximately 2,414 residents, Theresa offers a peaceful, rural atmosphere.
The town's population is composed of about 52.03% males and 47.97% females, and it has a population density of 36.91 people per square mile (14.25/km²). Theresa lies at a latitude of 44.24 and a longitude of -75.8, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (14.5%), followed by English (13.1%), German (15.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 13691.