Sumner

County:: Pierce County
County Seat:: No
Area (mi²):: 7.532
State:: Washington

Sumner is a city located in Pierce County, Washington. Sumner has a 2025 population of 10,987. Sumner is currently growing at a rate of 0.61% annually and its population has increased by 3.15% since the most recent census, which recorded a population of 10,651 in 2020.

The average household income in Sumner is $113,609 with a poverty rate of 7.12%.The median age in Sumner is 35.1 years: 33.3 years for males, and 37.6 years for females.

Demographics

The racial composition of Sumner includes 79.9% White, 3.32% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	8,528	79.9%
Two or more races	1,272	11.92%
Other race	354	3.32%
Native American	240	2.25%
Black or African American	105	0.98%
Asian	96	0.9%
Native Hawaiian or Pacific Islander	79	0.74%

Sumner Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sumner's average per capita income is $59,667. Household income levels show a median of $98,376. The poverty rate stands at 7.12%.

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	$130,494	-
Families	$104,458	$129,451
Households	$98,376	$113,609
Non Families	$71,003	$80,641

$59,667

Average Income

$98,376

Median Household Income

7.12%

Poverty Rate