Mountlake Terrace is a medium-sized city located in the state of Washington. With a population of 21,543 people and five associated neighborhoods, Mountlake Terrace is the 54th largest community in Washington.

Housing costs in Mountlake Terrace 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 Washington.

Also of interest is that Mountlake Terrace 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 Mountlake Terrace telecommute to their jobs. Overall, about 19.01% 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.

One downside of living in Mountlake Terrace, however, is that residents on average have to contend with a long commute, spending on average 31.41 minutes every day commuting to work. However, local public transit is widely used. For those who would prefer to avoid driving entirely and leave their car at home, it may be an option to use the transit instead.

Although the majority of commuting trips in the city are by private automobile, Mountlake Terrace is somewhat unusual for a city of its size for having a substantial number of people who use public transportation. For a lot of people, the bus helps to get to and from their jobs every morning, which benefits everyone in the Mountlake Terrace area by reducing both traffic and air pollution.

The citizens of Mountlake Terrace are among the most well-educated in the nation: 41.26% of adults in Mountlake Terrace have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in Mountlake Terrace in 2022 was $50,480, which is wealthy relative to Washington and the nation. This equates to an annual income of $201,920 for a family of four. However, Mountlake Terrace contains both very wealthy and poor people as well.

Mountlake Terrace is an extremely ethnically-diverse city. The people who call Mountlake Terrace home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mountlake Terrace residents report their race to be White, followed by Asian. Mountlake Terrace also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 12.68% of the city’s residents. Important ancestries of people in Mountlake Terrace include German, English, Irish, Norwegian, and European.

Foreign born people are also an important part of Mountlake Terrace's cultural character, accounting for 18.26% of the city’s population.

The most common language spoken in Mountlake Terrace is English. Other important languages spoken here include Spanish and African languages.