Loudon (CDP), New Hampshire

Loudon, New Hampshire
Maxfield Public Library
Loudon
Loudon
Coordinates: 43°17′8″N 71°28′2″W / 43.28556°N 71.46722°W / 43.28556; -71.46722
CountryUnited States
StateNew Hampshire
CountyMerrimack
TownLoudon
Area
  Total
1.81 sq mi (4.68 km2)
  Land1.81 sq mi (4.68 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
379 ft (116 m)
Population
 (2020)
  Total
711
  Density393.25/sq mi (151.87/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
03307
Area code603
FIPS code33-43300
GNIS feature ID2629726

Loudon is a census-designated place (CDP) and the main village in the town of Loudon in Merrimack County, New Hampshire, United States. The population of the CDP was 711 at the 2020 census, out of 5,576 in the entire town.