Dearborn Park is a residential Chicago neighborhood located in the Loop and Near South Side community areas of Chicago in Cook County, Illinois, United States. The area is known for its unique architecture, green spaces, proximity to the city's downtown area, and many cultural and recreational attractions. Early in Chicago history, this became an immigrant neighborhood before being ravaged by a fire in the 1870s, it was then bought up for railroad rights-of-way leading to Dearborn Station.