The Bloomington Central Business District is a historic district in downtown Bloomington, Illinois. The district includes roughly twelve square blocks of the city and encompasses 140 buildings, 118 of which are contributing buildings to the district's historic character. The 1901 McLean County Courthouse, the center of government of McLean County, is the focal point of the district. The other buildings in the district were built between 1842 and 1942 and are primarily commercial. The Miller-Davis Law Buildings, two of the oldest buildings in the district, were built in 1843 and represent the early period of Bloomington's development. Bloomington's commercial core grew rapidly during the 1850s and 1860s after two railroads opened in the city; while the 1854 Gridley Bank is the only survivin