The typical asking rate per listing is in the $10's per square foot per year. The East Peoria submarket is going through a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 16 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,050 sqft. Most properties in this region are close to 1 floors. Most buildings in this region were built in 1978 and are Class B.