Brentwood is located in New Hampshire. Brentwood, New Hampshire has a population of 4,900. Brentwood is more family-centric than the surrounding county with 42% households with children. The county percentage for households with children is 27%.
The median household income in Brentwood, New Hampshire is $129,692. The median household income for the surrounding county is $97,109 compared to the national median of $66,222. The median age of people living in Brentwood is 45.1 years.
The average high temperature in July is 82.5 degrees, with an average low temperature in January of 13.2 degrees. The annual precipitation is 44.5.