Loudonville is a hamlet in the town of Colonie, in Albany County, New York, United States. Loudonville was a census-designated place in the 1970, 1980, and 1990 US Census. It ceased to be a CDP in the 2000 Census, but regained its status in 2020.
Elevation: 348 ft (106 m)
Country: United States
State: New York
Region: Capital District
County: Albany
Settled: 1830
ZIP Codes: 12211 (Loudonville) · 12205 (Colonie) · 12110 (Latham)