Waltham is a larger medium-sized city located in the state of Massachusetts. With a population of 64,065 people and 13 associated neighborhoods, Waltham is the 17th largest community in Massachusetts.

Housing costs in Waltham are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in Massachusetts.

Also of interest is that Waltham has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Waltham telecommute to their jobs. Overall, about 18.65% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Waltham is also a college town, where lots of students live while attending area colleges. Because of the high percentage of people living in Waltham enrolled in college, Waltham has a number of services, amenities and opportunities geared towards the needs and activities of students.

Not only is Waltham a city with many college students, but it also retains many recent graduates who are looking to start new careers, shaping the character of the city into a place that is geared toward, and considered attractive to, many single, educated people. Many singles consider Waltham a good place to live without being in a really big city, with opportunities for friendships and fun with others like themselves.

Like elsewhere in America, most people in Waltham use a private automobile to get to work. But notably, a substantial number of Waltham‘s citizens do make use of public transit in their daily commute, primarily riding the bus. This helps more people get to work with less air pollution, and require fewer highways to get them there.

If knowledge is power, Waltham is a pretty powerful place. 56.57% of the adults in Waltham have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns.

The per capita income in Waltham in 2022 was $56,716, which is upper middle income relative to Massachusetts, and wealthy relative to the rest of the US. This equates to an annual income of $226,864 for a family of four. However, Waltham contains both very wealthy and poor people as well.

Waltham is an extremely ethnically-diverse city. The people who call Waltham home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Waltham residents report their race to be White, followed by Asian. Waltham also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 15.31% of the city’s residents. Important ancestries of people in Waltham include Irish, Italian, English, German, and French Canadian.

Foreign born people are also an important part of Waltham's cultural character, accounting for 25.57% of the city’s population.

The most common language spoken in Waltham is English. Other important languages spoken here include Spanish and Chinese.