Vergennes is a village located in Jackson 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 0.4 square miles (1.0 km²) and sits at an elevation of 400 ft. With a population of approximately 491 residents, Vergennes offers a peaceful, rural atmosphere.
The town's population is composed of about 65.99% males and 34.01% females, and it has a population density of 363.89 people per square mile (526.60/km²). Vergennes lies at a latitude of 37.9 and a longitude of -89.34, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.9%), followed by English (5.7%), German (16.5%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 62994.