Beacon Falls is a town in New Haven County, Connecticut, United States. The population was 5,246 at the 2000 census. The population increased to 6,049 at the 2010 census. Beacon Falls is also home to the national-known MeteorologistJim Cantore. Settlers from Derby, Connecticut settled Beacon Falls in 1678. The town was incorporated in 1871 on lands carved from the neighboring towns of Bethany, Seymour, Naugatuck and Oxford. According to the United States Census Bureau, the town has a total area of 9.9 square miles (26km2), of which, 9.8 square miles (25km2) of it is land and 0.1 square miles (0.26km2) of it (1.01%) is water.