
Johnstown
- County:
- Fulton County
- County Seat:
- No
- Area (mi²):
- 4.82
- State:
- New York
Johnstown is a city located in Fulton County, New York. Johnstown has a 2025 population of 8,047. Johnstown is currently declining at a rate of -0.32% annually and its population has decreased by -1.59% since the most recent census, which recorded a population of 8,177 in 2020.
The average household income in Johnstown is $72,176 with a poverty rate of 8.24%. The median age in Johnstown is 44.1 years: 38 years for males, and 46.9 years for females.