The typical asking rate per listing is in the $40's per square foot per year. The Evansville region is going through a an increase in rates. In the last 3 months, the median rate rose $28 per sqft per year. That's a 148% rise in rent.
In the last 90 days, 64 listings have been posted online, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,220 sqft. Most buildings in this market are around 1 stories. Most buildings in this area were built in 1950 and are Class B.