Mcleansboro is a city located in Hamilton County, in the state of Illinois (IL), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 2.3 square miles (6.0 km²) and sits at an elevation of 495 ft. With a population of approximately 2,945 residents, Mcleansboro offers a peaceful, rural atmosphere.
The town's population is composed of about 44.86% males and 55.14% females, and it has a population density of 286.03 people per square mile (496.54/km²). Mcleansboro lies at a latitude of 38.09 and a longitude of -88.54, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (13.6%), followed by English (10.9%), German (13.2%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 62859.