Waltham is located in Massachusetts. Waltham, Massachusetts has a population of 64,387. Waltham is less family-centric than the surrounding county with 18% households with children. The county percentage for households with children is 27%.
The median household income in Waltham, Massachusetts is $99,318. The median household income for the surrounding county is $107,759 compared to the national median of $66,222. The median age of people living in Waltham is 38.6 years.
The average high temperature in July is 82.7 degrees, with an average low temperature in January of 15.7 degrees. The annual precipitation is 46.95.