Most listings are in the $20's per square foot per year. The Hinds County submarket is going through a an increase in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 29% rise in rent.
In the last 90 days, 30 listings have been listed, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 130% of the available space in the Hinds County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,700 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 1961 and are Class B.