
Clarksville
- County:
- Albany County
- County Seat:
- No
- Area (mi²):
- 36.273
- State:
- New York
Clarksville is located in Albany County, New York. Clarksville has a 2025 population of 950. Clarksville is currently declining at a rate of -0.42% annually and its population has decreased by -2.16% since the most recent census, which recorded a population of 971 in 2020.
The average household income in Clarksville is $54,441 with a poverty rate of 20.78%. The median age in Clarksville is 53 years: 55.3 years for males, and 47.8 years for females.