New Harmony
- County:
- Posey County
- County Seat:
- No
- Area (mi²):
- 0.815
- State:
- Indiana
New Harmony is a town located in Posey County, Indiana. New Harmony has a 2026 population of 686. New Harmony is currently declining at a rate of -0.15% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 695 in 2020.
The median household income in New Harmony is $57,875 with a poverty rate of 6.99%. The median age in New Harmony is 53.5 years: 50.4 years for males, and 56.1 years for females. For every 100 females there are 83.3 males.