Etna 03750 Real EstateEtna is located in New Hampshire. Etna, New Hampshire 03750has a population of 770. Etna 03750 is more family-centric than the surrounding county with 46.05% of the households containing married families with children. The county average for households married with children is 24.41%. The median household income in Etna, New Hampshire 03750 is $174,875. The median household income for the surrounding county is $73,755 compared to the national median of $69,021. The median age of people living in Etna 03750 is 39.2 years. Etna WeatherThe average high temperature in July is 80.4 degrees, with an average low temperature in January of 7.1 degrees. The average rainfall is approximately 43.8 inches per year, with 68.3 inches of snow per year. Etna MapReal estate near EtnaNearby CitiesNearby Cities Homes for Sale |