Mattawa is a very small city located in the state of Washington. With a population of 3,695 people and two associated neighborhoods, Mattawa is the 169th largest community in Washington.

Housing costs in Mattawa 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.

In addition, many people in Mattawa have jobs in agriculture, more so than in most other communities in America. As a result, you will see quite a number of farms around town.

A relatively large number of people in Mattawa telecommute to their jobs. Overall, about 7.29% 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.

Mattawa is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The population of Mattawa has one of the lowest overall levels of education in the country: only 1.20% of people over 25 hold a college degree. The national average for all municipalities is 21.84%.

The per capita income in Mattawa in 2022 was $15,025, which is low income relative to Washington and the nation. This equates to an annual income of $60,100 for a family of four.

Mattawa is an extremely ethnically-diverse city. The people who call Mattawa home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Mattawa, accounting for 100.00% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Mattawa residents report their race to be Native Hawaiian. Important ancestries of people in Mattawa include Yugoslavian, Other West Indian, West Indian, U.S. Virgin Islander, and Trinidadian and Tobagonian.

Foreign born people are also an important part of Mattawa's cultural character, accounting for 51.45% of the city’s population.

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