Maryland Heights is considered a Large Town with a population of 26,996 and 2,366 businesses. 21 in 2018 were added to the Maryland Heights Chamber of Commerce business directory which was less than 2017 which had 27.

The economy of Maryland Heights employs 19,491 people and has an unemployment rate of 4.7%. Some of the largest industries in Maryland Heights are Professional Services (130),Restaurants (70), and Entertainment Agencies & Bureaus (59).