
Vincennes
- County:
- Knox County
- County Seat:
- Yes
- Area (mi²):
- 7.455
- State:
- Indiana
Vincennes is a city located in Knox County, Indiana. Vincennes has a 2025 population of 16,480. It is also the county seat of Knox County. Vincennes is currently declining at a rate of -0.33% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 16,750 in 2020.
The average household income in Vincennes is $66,581 with a poverty rate of 19.27%. The median age in Vincennes is 38 years: 35.7 years for males, and 40.5 years for females.