Monroe is a medium-sized city located in the state of Washington. With a population of 19,447 people and six associated neighborhoods, Monroe is the 61st largest community in Washington.

Housing costs in Monroe 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 Monroe 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 Monroe telecommute to their jobs. Overall, about 13.74% 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.

The overall education level of Monroe is somewhat higher than in the average US city of 21.84%: 26.70% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Monroe in 2022 was $38,883, which is middle income relative to Washington, and upper middle income relative to the rest of the US. This equates to an annual income of $155,532 for a family of four. However, Monroe contains both very wealthy and poor people as well.

Monroe is an extremely ethnically-diverse city. The people who call Monroe home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Monroe residents report their race to be White, followed by Asian. Monroe also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 17.48% of the city’s residents. Important ancestries of people in Monroe include German, English, Irish, Norwegian, and European.

Foreign born people are also an important part of Monroe's cultural character, accounting for 15.18% of the city’s population.

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