McLean County is the largest county (by area) in Illinois. The population of McLean County was 169,572 (based on 2010 census). McLean County was named after United States Senator from Illinois, John McLean. Historic Route 66 winds through the downtowns of Bloomington and Normal. Along the route are various attractions including Crusinˈ with Lincoln on 66 Visitors Center, Illinois Wesleyan University, Illinois State University, and State Farm. According to the 2017 Census of Agriculture, there were 1,416 farms in McLean County, spanning 620,056 acres, with an average farm size of 438 acres. McLean County’s temperatures range from 14°F during January to 86°F during July. Average monthly precipitation ranges from 1.71" during February to 4.52" during May. If you're looking for land for sale in McLean County, IL, check out Land Pro LLC's current listings below. If there are no current listings in McLean County, take a look at land for sale in neighboring Champaign County, Dewitt County, Ford County, Livingston County, Logan County, Piatt County, Tazewell County, and Woodford County. You can also view all the Illinois land offered for sale by Land Pro LLC.