The Algonquin Public Library was founded in 1920 at a different location, with 126 books and $600 for a book fund. The main branch of the Algonquin Area Public Library on Harnish Drive reached its 1 millionth circulation in 2008 and since has continued to expand. In one month, this library can serve more than 44,000 patrons. The library runs programs for children and adults such as readings, story times and book discussion groups. It also offers meeting rooms which can be used for public purposes.