 In 2000, the town population was 4,703 according to the federal census.On February 18, 2003, however, most of the town incorporated as the village of Lake Hallie, taking with it nearly all of the town's population and reducing the town's remaining land area to .The squares that became the Town of Halley were first surveyed in the fall of 1848 by crews working for the U.S. government.