Mattawa is a very small city located in the state of Washington. With a population of 3,784 people and two associated neighborhoods, Mattawa is the 169th largest community 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 8.69% 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.

Mattawa ranks among the bottom of the nation in terms of college education compared to other cities and towns: only 0.20% of people over 25 have a college degree.

The per capita income in Mattawa in 2022 was $14,167, which is low income relative to Washington and the nation. This equates to an annual income of $56,668 for a family of four. Mattawa also has one of the higher rates of people living in poverty in the nation, with 33.27% of its population below the federal poverty line.

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 99.83% 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 Asian, followed by White. Important ancestries of people in Mattawa include European, Yugoslavian, Other West Indian, West Indian, and U.S. Virgin Islander.

Foreign born people are also an important part of Mattawa's cultural character, accounting for 51.16% of the city’s population.

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