Vincennes is a city located in Knox County Indiana. Vincennes has a 2020 population of 22,074. It is also the county seat of Knox County. Vincennes is currently declining at a rate of -0.11% annually and its population has decreased by -6.83% since the most recent census, which recorded a population of 23,692 in 2010. Vincennes reached it's highest population of 23,739 in 2011.
The average household income in Vincennes is $58,991 with a poverty rate of 18.54%. The median rental costs in recent years comes to $671 per month, and the median house value is $94,100. The median age in Vincennes is 37.4 years, 33.9 years for males, and 40.9 years for females.