The typical asking rate per listing is in the $10's per square foot per year. The Acworth region is going through a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year.
Compared to the rest of the Metro Atlanta market, the Acworth region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 2 listings have come on the market, which means listings most likley are going fast. 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 1,250 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 2005.