Halloween in Downtown Hillsboro is an annual trick-or-treating event happening in the downtown district of Hillsboro.  In 2024, it will be on Saturday, October 26th from 3:00-7:00 pm. Trunk or Treat on Main Street is back and Hillsboro Downtown Partnership has partnered with Downtown businesses, local schools, and more to provide spooky music, performances, people & pets costume contest, a haunted houses, and tons of candy along a very festive route.