Welcome to Cortland!


Since incorporated in 1865, the Town of Cortland has been characterized by hometown living in a warm community atmosphere. Nestled in rural DeKalb County, Cortland is located along Illinois Route 38 and Somonauk Road. Cortland is unique from neighboring villages and cities because it is an Incorporated Town.

The 2020 census conducted shows Cortland has a population of 4398 citizens. Cortland is the third largest Town in Illinois, with only the Towns of Cicero and Normal having a greater population.

This website was established to provide the public with up-to-date information on community events, economic development and our municipal government. We hope you find this site useful and we encourage you to visit Cortland, the third largest Town in Illinois!