
Decatur
- County:
- Otsego County
- County Seat:
- No
- Area (mi²):
- 20.562
- State:
- New York
Decatur is located in Otsego County, New York. Decatur has a 2025 population of 367. Decatur is currently declining at a rate of -0.27% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 371 in 2020.
The average household income in Decatur is $85,761 with a poverty rate of 9.03%. The median age in Decatur is 55.1 years: 49.9 years for males, and 55.3 years for females.