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 2026 population of 953. Grand Coulee is currently declining at a rate of -0.31% annually and its population has decreased by -2.06% since the most recent census, which recorded a population of 973 in 2020.

The median household income in Grand Coulee is $64,250 with a poverty rate of 28.28%. The median age in Grand Coulee is 47.2 years: 42.5 years for males, and 48 years for females. For every 100 females there are 103.8 males.

953
Total Population
759
Density (mi²)
-3 -0.31%
Growth

Grand Coulee Population

Grand Coulee Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026953-3-0.31%
2025956-4-0.42%
202496020.21%
202395830.31%
2022955-12-1.24%
2021967-6-0.62%
202097300%
20191,04710.1%
20181,04610.1%
20171,045-6-0.57%
20161,051-4-0.38%
20151,055-2-0.19%
20141,05770.67%
20131,05000%
20121,05050.48%
20111,045575.77%
20101,03650.48%

Median Age

Overall: 47.2 years
Female: 48 years
Male: 42.5 years

Grand Coulee Adults

There are 765 adults, (185 of whom are seniors) in Grand Coulee.

Sex Ratio

Female: 448 (49.1%)
Male: 465 (50.9%)

Demographics

The racial composition of Grand Coulee includes 70.21% White, 6.24% Native American, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White64170.21%
Two or more races19020.81%
Native American576.24%
Other race121.31%
Black or African American70.77%
Asian30.33%
Native Hawaiian or Pacific Islander30.33%
Race
Population ↓
Percentage (of total)
Two or more races10611.61%
Other race121.31%
Native American101.1%
White80.88%
Race
Population ↓
Percentage (of total)
White63369.33%
Two or more races849.2%
Native American475.15%
Black or African American70.77%
Asian30.33%
Native Hawaiian or Pacific Islander30.33%

Grand Coulee Marital Status

Economics and Income Statistics

Grand Coulee 's average per capita income is $63,000. Household income levels show a median of $64,250. The poverty rate stands at 28.28%.

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$112,037-
Families$106,420$108,444
Households$64,250$87,003
Non Families$18,472$56,590

$63,000

Average Income

$64,250

Median Household Income

28.28%

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)