Loudonville, New York

Loudonville, New York
Hamlet and CDP
Loudonville census-designated place (CDP) in 1990
Etymology: For John Campbell, 4th Earl of Loudoun
Loudonville
Loudonville
Coordinates: 42°42′17″N 73°45′17″W / 42.70472°N 73.75472°W / 42.70472; -73.75472
CountryUnited States
StateNew York
RegionCapital District
CountyAlbany
TownColonie
Settled1830
Area
  Total
5.03 sq mi (13.0 km2)
  Land4.96 sq mi (12.8 km2)
  Water0.07 sq mi (0.2 km2)
Elevation
348 ft (106 m)
Population
 (2020)
  Total
10,296
  Density2,000/sq mi (790/km2)
Time zoneUTC-5 (EST)
  Summer (DST)UTC-4 (EDT)
ZIP Codes
12211 (Loudonville)
12205 (Colonie)
12110 (Latham)
Area code518

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.