On average, listings lease in the $10's per square foot per year. The Rankin County region is going through a a boost in rates. In the last 3 months, the median rate went up $20 per sqft per year.
In the last 90 days, 11 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 64% of the listings in the Rankin County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,040 sqft. Most properties in this market are approximately 1 stories. Most buildings in this area were built in 1946 and are Class B.