Mattawa Flag

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 2026 population of 4,002. Mattawa is currently growing at a rate of 2.8% annually and its population has increased by 19.53% since the most recent census, which recorded a population of 3,348 in 2020.

The median household income in Mattawa is $38,388 with a poverty rate of 33.27%. The median age in Mattawa is 21.7 years: 20.8 years for males, and 22.4 years for females. For every 100 females there are 88.5 males.

4K
Total Population
3,997
Density (mi²)
109 2.8%
Growth

Mattawa Population

Mattawa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,0021092.8%
20253,8931092.88%
20243,784150.4%
20233,769782.11%
20223,6911995.7%
20213,4921444.3%
20203,34840.12%
20195,079400.79%
20185,039290.58%
20175,010390.78%
20164,971861.76%
20154,8851082.26%
20144,7771463.15%
20134,631320.7%
20124,599450.99%
20114,5541172.64%
20104,463200.45%
20002,60900%

Median Age

Overall: 21.7 years
Female: 22.4 years
Male: 20.8 years

Mattawa Adults

There are 2,281 adults, (114 of whom are seniors) in Mattawa.

Sex Ratio

Female: 1,918 (53%)
Male: 1,698 (47%)

Demographics

The racial composition of Mattawa includes 45.8% other race, 6.78% White, 3.35% Native American, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Other race1,65645.8%
Two or more races1,59144%
White2456.78%
Native American1213.35%
Asian30.08%
Race
Population ↓
Percentage (of total)
Other race1,65645.8%
Two or more races1,59144%
White2426.69%
Native American1213.35%
Race
Population ↓
Percentage (of total)
White30.08%
Asian30.08%

Mattawa Marital Status

Economics and Income Statistics

Mattawa 's average per capita income is $28,871. Household income levels show a median of $38,388. The poverty rate stands at 33.27%.

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$61,146-
Families$39,178$49,213
Households$38,388$51,414
Non Families-$19,153

$28,871

Average Income

$38,388

Median Household Income

33.27%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)