The Bloomington City Council approved an ordinance Wednesday night that designates the courthouse square as a historic district.
Paoli is about to begin the second phase of a project aimed at improving the facades of buildings on the town square.
The changes would bring the city's historic designation in line with state standards.
An early 20th century Columbus ice factory is scheduled for demolition, so the property on which it sits can be used as a parking lot.
Property owner David Jacobs will now have to conform the designs of his future home to guidelines set forth by the Historic Preservation Commission.
The Bloomington City Council voted Wednesday to designate the Burns' home as historic.