Shelbyville is a city located in Shelby 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 3.7 square miles (10.0 km²) and sits at an elevation of 650 ft. With a population of approximately 4,971 residents, Shelbyville offers a peaceful, rural atmosphere.
The town's population is composed of about 47.7% males and 52.3% females, and it has a population density of 343.51 people per square mile (518.73/km²). Shelbyville lies at a latitude of 39.41 and a longitude of -88.8, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (13.2%), followed by English (8.3%), German (19.6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 62565.