Mattawa

County:: Grant County
County Seat:: No
Area (mi²):: 1.001
State:: Washington

Mattawa is a city located in Grant County, Washington. Mattawa has a 2025 population of 4,040. Mattawa is currently growing at a rate of 3.59% annually and its population has increased by 20.89% since the most recent census, which recorded a population of 3,342 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.

Demographics

The racial composition of Mattawa includes 49.23% other race, 15.93% White, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

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%

Mattawa Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$58,889	-
Families	$43,750	$50,130
Households	$41,250	$52,256
Non Families	-	$33,801

$30,170

Average Income

$41,250

Median Household Income

25.36%

Poverty Rate