In the last 90 days, 10 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 10% of the available leases in the Galesburg are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 4,870 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are around 1 floors. Most buildings in this market were built in 1975 and are Class C.