
Vallonia
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 0.756
- State:
- Indiana
Vallonia is a CDP located in Jackson County, Indiana. Vallonia has a 2025 population of 358. Vallonia is currently growing at a rate of 0.28% annually and its population has increased by 22.6% since the most recent census, which recorded a population of 292 in 2020.
The average household income in Vallonia is $86,656 with a poverty rate of 0%. The median age in Vallonia is 41.9 years: 40.9 years for males, and 46.7 years for females.