More than 15,000 eligible claims were not filed, meaning some residents may have missed out on money which legally was theirs.
Even though the county saw a large percentage increase, only 77 sales were complete or pending at the end of the month, up from 41 last January.
A psychology professor says evicted residents are showing their anger by damaging the homes before they leave.
Some Hoosiers are eligible to recieve money for improper foreclosures.
The number of home sales increased more than 17 percent from May 2011 to May 2012.
Indiana had a higher foreclosure rate than the national average from May 2011 to May of this year.
Money from a settlement with five banks investigated for improper foreclosure practices is being allocated to an organization that helps people pay their bills.
The housing market and auto sales showed substantial growth last month.
Grants could give homeowners as much as $18,000 depending on their need.
Numbers released by the Indiana Association of Realtors shows housing prices are up in parts of the state and the number of pending home sales is also up.