
Loudonville
- County:
- Albany County
- County Seat:
- No
- Area (mi²):
- 4.964
- State:
- New York
Loudonville is a CDP located in Albany County, New York. Loudonville has a 2025 population of 12,283. Loudonville is currently growing at a rate of 7.14% annually and its population has increased by 23.93% since the most recent census, which recorded a population of 9,911 in 2020.
The average household income in Loudonville is $188,301 with a poverty rate of 3.68%. The median age in Loudonville is 41.3 years: 38.8 years for males, and 44.1 years for females.