On average, listings lease in the $20's per square foot per year. The Portage County submarket is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 12 listings have been listed, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 820 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1980 and are Class C.