Algonquin is considered a Large Town with a population of 31,017 and 3,136 businesses. 39 in 2018 were added to the Algonquin Chamber of Commerce business directory which was less than 2017 which had 40.

The economy of Algonquin employs 22,891 people and has an unemployment rate of 6.6%. Some of the largest industries in Algonquin are Professional Services (256),Restaurants (125), and Personal Services & Consultants (109).