
Vergennes
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 0.352
- State:
- Illinois
Vergennes is a village located in Jackson County, Illinois. Vergennes has a 2025 population of 231. Vergennes is currently declining at a rate of -0.43% annually and its population has decreased by -1.7% since the most recent census, which recorded a population of 235 in 2020.
The average household income in Vergennes is $62,438 with a poverty rate of 10.62%. The median age in Vergennes is 44.3 years: 41.1 years for males, and 48.4 years for females.