Sandyston Township is a small rural township in Sussex County, New Jersey, United States, located in the northwestern part of the state near the Pennsylvania border. The township is surrounded by and part of many national and state parks. As of the 2010 United States Census, the township's population was 1,998, reflecting an increase of 173 (+9.5%) from the 1,825 counted in the 2000 Census, which had in turn increased by 93 (+5.4%) from the 1,732 counted in the 1990 Census. Sandyston's growth in recent years has been attributed to the influx of people from more urban parts of the state and even New York City, located less than away.
New Jersey Monthly magazine ranked Sandyston Township as its 26th best place to live in its 2008 rankings of the "Best Places To Live" in New Jersey.
Sandyston was first formed by Royal charter on February 26, 1762, from portions of Walpack Township. Sandyston was incorporated as a township on February 21, 1798, by an Act of the New Jersey Legislature as part of the initial group of 104 townships incorporated in the state.