Loudonville, New York
Loudonville, New York  | |
|---|---|
Hamlet and CDP  | |
Loudonville census-designated place (CDP) in 1990  | |
| Etymology: For John Campbell, 4th Earl of Loudoun | |
| Coordinates: 42°42′17″N 73°45′17″W / 42.70472°N 73.75472°W | |
| Country | United States | 
| State | New York | 
| Region | Capital District | 
| County | Albany | 
| Town | Colonie | 
| Settled | 1830 | 
| Area | |
 • Total  | 5.03 sq mi (13.0 km2) | 
| • Land | 4.96 sq mi (12.8 km2) | 
| • Water | 0.07 sq mi (0.2 km2) | 
| Elevation | 348 ft (106 m) | 
| Population  (2020)  | |
 • Total  | 10,296 | 
| • Density | 2,000/sq mi (790/km2) | 
| Time zone | UTC-5 (EST) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP Codes | |
| Area code | 518 | 
Loudonville is a hamlet in the town of Colonie, in Albany County, New York, United States. Loudonville was a census-designated place (CDP) in the 1970, 1980, and 1990 US Census. It ceased to be a CDP in the 2000 Census, but regained its status in 2020.