Storm Lake is considered a Large Town with a population of 11,376 and 1,277 businesses. 7 in 2018 were added to the Storm Lake Chamber of Commerce business directory which was more than 2017 which had 4.

The economy of Storm Lake employs 8,464 people and has an unemployment rate of 7%. Some of the largest industries in Storm Lake are Professional Services (77),Restaurants (45), and Beans Peas Lentils Dried (41).