Fairmont is a cdp located in Will 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 1.7 square miles (4.0 km²) and sits at an elevation of N/A. With a population of approximately 2,563 residents, Fairmont offers a peaceful, rural atmosphere.
The town's population is composed of about 50.76% males and 49.24% females, and it has a population density of 553.33 people per square mile (599.75/km²). Fairmont lies at a latitude of 41.56 and a longitude of -88.06, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (4.3%), German (9.7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 60441.