
Troy
- County:
- Spencer County
- County Seat:
- No
- Area (mi²):
- 1.132
- State:
- Indiana
Troy is a town located in Spencer County, Indiana. Troy has a 2025 population of 370. Troy is currently growing at a rate of 1.37% annually and its population has increased by 6.63% since the most recent census, which recorded a population of 347 in 2020.
The average household income in Troy is $72,410 with a poverty rate of 7.98%. The median age in Troy is 32.6 years: 38.3 years for males, and 18.4 years for females.