
Johnsburg
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 204.229
- State:
- New York
Johnsburg is located in Warren County, New York. Johnsburg has a 2025 population of 2,173. Johnsburg is currently growing at a rate of 0.84% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 2,142 in 2020.
The average household income in Johnsburg is $85,984 with a poverty rate of 8.86%. The median age in Johnsburg is 53 years: 54.3 years for males, and 48.9 years for females.