Most listings are in the $20's per square foot per year. The Bloomington submarket is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 226 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the available leases in the Bloomington are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,310 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are close to 3 stories. Most buildings in this area were built in 1983 and are Class B.