Loudon Real EstateLoudon is located in New Hampshire. Loudon, New Hampshire has a population of 5,601. Loudon is less family-centric than the surrounding county with 20.25% of the households containing married families with children. The county average for households married with children is 29.34%. The median household income in Loudon, New Hampshire is $64,556. The median household income for the surrounding county is $82,457 compared to the national median of $69,021. The median age of people living in Loudon is 55.1 years. Loudon WeatherThe average high temperature in July is 81.4 degrees, with an average low temperature in January of 9.4 degrees. The average rainfall is approximately 45.1 inches per year, with 61.4 inches of snow per year. Loudon MapReal estate near LoudonNearby CitiesNearby Cities Homes for Sale |