Many of its citizens moved to larger towns and cities .
Beginning in the late 1950s , as agriculture became less profitable in comparison to manufacturing and service industries , Hillsdale became less populated , and most of the businesses , including the post office , closed .
Many of Hillsdale 's citizens moved to larger towns and cities .
Beginning in the late 1950s , as agriculture became less profitable in comparison to manufacturing and service industries , Hillsdale became less populated , and most of the businesses , including the post office , closed .