
Thayer
- County:
- Newton County
- County Seat:
- No
- Area (mi²):
- 0.617
- State:
- Indiana
Thayer is a CDP located in Newton County, Indiana. Thayer has a 2025 population of 809. Thayer is currently growing at a rate of 7.15% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Thayer is $59,516 with a poverty rate of 35.79%. The median age in Thayer is 56.3 years: 52 years for males, and 58 years for females.