Grand Coulee Flag

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.

946
Total Population
753
Density (mi²)
-6 -0.63%
Growth

Grand Coulee Population

Grand Coulee Population

Data after 2023 is projected based on recent change

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

Race
Population
Percentage (of total)
White72474.1%
Two or more races15916.27%
Native American697.06%
Black or African American101.02%
Other race90.92%
Asian30.31%
Native Hawaiian or Pacific Islander30.31%

Grand Coulee Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)