Grand Coulee

County:: Grant County
County Seat:: No
Area (mi²):: 1.256
State:: Washington

Grand Coulee is a city located in Grant County, Washington. Grand Coulee has a 2025 population of 946. Grand Coulee is currently declining at a rate of -0.63% annually and its population has decreased by -2.97% since the most recent census, which recorded a population of 975 in 2020.

The average household income in Grand Coulee is $74,538 with a poverty rate of 30.54%. The median age in Grand Coulee is 48.2 years: 43.3 years for males, and 49 years for females.

Demographics

The racial composition of Grand Coulee includes 74.1% White, 7.06% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	724	74.1%
Two or more races	159	16.27%
Native American	69	7.06%
Black or African American	10	1.02%
Other race	9	0.92%
Asian	3	0.31%
Native Hawaiian or Pacific Islander	3	0.31%

Grand Coulee Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand Coulee's average per capita income is $52,250. Household income levels show a median of $42,083. The poverty rate stands at 30.54%.

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	$108,977	-
Families	$96,000	$99,031
Households	$42,083	$74,538
Non Families	$16,042	$45,014

$52,250

Average Income

$42,083

Median Household Income

30.54%

Poverty Rate