Kennewick

County:: Benton County
County Seat:: No
Area (mi²):: 28.504
State:: Washington

Kennewick is a city located in Benton County, Washington. Kennewick has a 2025 population of 85,940. Kennewick is currently growing at a rate of 0.46% annually and its population has increased by 2.33% since the most recent census, which recorded a population of 83,984 in 2020.

The average household income in Kennewick is $94,638 with a poverty rate of 13.91%. The median age in Kennewick is 35.8 years: 35.4 years for males, and 36.2 years for females.

Demographics

The racial composition of Kennewick includes 67.15% White, 13.5% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	56,671	67.15%
Two or more races	11,801	13.98%
Other race	11,392	13.5%
Black or African American	1,917	2.27%
Asian	1,636	1.94%
Native American	913	1.08%
Native Hawaiian or Pacific Islander	59	0.07%

Kennewick Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Kennewick's average per capita income is $48,810. Household income levels show a median of $72,867. The poverty rate stands at 13.91%.

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	$107,051	-
Families	$87,480	$109,397
Households	$72,867	$94,638
Non Families	$45,168	$55,665

$48,810

Average Income

$72,867

Median Household Income

13.91%

Poverty Rate