Most listings are in the $10's per square foot per year. The Walworth County submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $18 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 11 listings have come on the market, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 9% of the available leases in the Walworth County 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 posted, so finding a space for a small business might be tough.
Even though the median size is 5,400 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this area were built in 1990 and are Class B.