Grantham Real Estate
Grantham is located in NEW HAMPSHIRE. Grantham, NEW HAMPSHIRE has a population of 2,979. Grantham is more family-centric than the surrounding county with 30% of the households containing married families with children. The county average for households married with children is 24%.
The median household income in Grantham, NH is $94,713. The median household income for the surrounding county is $60,561 compared to the national median of $57,525. The median age of people living in Grantham is 50 years old.
The average high temperature in July is 80 degrees, with an average low temperature in January of 8 degrees. The average rainfall is approximately 40 inches per year.