
Thendara
- County:
- Herkimer County
- County Seat:
- No
- Area (mi²):
- 0.558
- State:
- New York
Thendara is a CDP located in Herkimer County, New York. Thendara has a 2025 population of 285. Thendara is currently growing at a rate of 7.14% annually and its population has increased by 612.5% since the most recent census, which recorded a population of 40 in 2020.
The average household income in Thendara is $49,216 with a poverty rate of 0%. The median age in Thendara is 71.5 years: 71.8 years for males, and 71 years for females.