Vallonia is a city located in Jackson County Indiana. Vallonia has a 2020 population of 388. Vallonia is currently declining at a rate of 0.00% annually and its population has increased by 15.48% since the most recent census, which recorded a population of 336 in 2010. Vallonia reached it's highest population of 421 in 2012.
The average household income in Vallonia is $79,792 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is $116,000. The median age in Vallonia is 55.8 years, 44 years for males, and 58 years for females.