Quincy Flag

Quincy

County:
Grant County
County Seat:
No
Area (mi²):
6.268
State:
Washington

Quincy is a city located in Grant County, Washington. Quincy has a 2025 population of 8,770. Quincy is currently growing at a rate of 2.67% annually and its population has increased by 14.91% since the most recent census, which recorded a population of 7,632 in 2020.

The average household income in Quincy is $88,733 with a poverty rate of 13.14%. The median age in Quincy is 29.3 years: 29.7 years for males, and 27.1 years for females.

8.8K
Total Population
1,399
Density (mi²)
228 2.67%
Growth

Quincy Population

Quincy Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Quincy includes 43.06% other race, 31.94% White, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Other race

White

Two or more races

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
Other race3,41143.06%
White2,53031.94%
Two or more races1,66421%
Native American1822.3%
Asian811.02%
Black or African American540.68%
Native Hawaiian or Pacific Islander00%

Quincy Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Quincy's average per capita income is $41,670. Household income levels show a median of $79,973. The poverty rate stands at 13.14%.

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$85,639-
Families$83,214$90,059
Households$79,973$88,733
Non Families$62,917$65,002

$41,670

Average Income

$79,973

Median Household Income

13.14%

Poverty Rate

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)