Mattawa is a city located in Grant County, Washington. Mattawa has a 2025 population of 3,893 . Mattawa is currently growing at a rate of 2.88% annually and its population has increased by 16.28% since the most recent census, which recorded a population of 3,348 in 2020.
The average household income in Mattawa is $52,256 with a poverty rate of 25.36%. The median age in Mattawa is 22.5 years: 22.8 years for males, and 21.8 years for females. For every 100 females there are 106.6 males.
Data after 2023 is projected based on recent change
The racial composition of Mattawa includes 49.23% other race, 15.93% White, and smaller percentages for Native American, Asian and multiracial populations.
Other race (49.23%)
Two or more races (33.21%)
White (15.93%)
Native American (1.55%)
Asian (0.08%)
Race | Population | Percentage (of total) |
|---|---|---|
| Other race | 1,749 | 49.23% |
| Two or more races | 1,180 | 33.21% |
| White | 566 | 15.93% |
| Native American | 55 | 1.55% |
| Asian | 3 | 0.08% |
Married
Widowed
Divorced
Separated
Never Married
Mattawa's average per capita income is $30,170. Household income levels show a median of $41,250. The poverty rate stands at 25.36%.
Name | Median | Mean |
|---|---|---|
| Married Families | $58,889 | - |
| Families | $43,750 | $50,130 |
| Households | $41,250 | $52,256 |
| Non Families | - | $33,801 |
Average Income
Median Household Income
Poverty Rate