Ballwin is considered a Large Town with a population of 30,181 and 5,887 businesses. 37 in 2018 were added to the Ballwin Chamber of Commerce business directory which was less than 2017 which had 49.

The economy of Ballwin employs 20,915 people and has an unemployment rate of 3.9%. Some of the largest industries in Ballwin are Professional Services (568),Personal Services & Consultants (253), and Entertainment Agencies & Bureaus (171).