Kennewick Flag

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 2026 population of 88,092. Kennewick is currently growing at a rate of 0.78% annually and its population has increased by 4.87% since the most recent census, which recorded a population of 84,000 in 2020.

The median household income in Kennewick is $73,576 with a poverty rate of 14.31%. The median age in Kennewick is 35.7 years: 35.5 years for males, and 36 years for females. For every 100 females there are 97.3 males.

88.1K
Total Population
3,091
Density (mi²)
682 0.78%
Growth

Kennewick Population

Kennewick Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202688,0926820.78%
202587,4106820.79%
202486,7288130.95%
202385,9157250.85%
202285,1905070.6%
202184,6837430.89%
202084,000-265-0.31%
201984,2651,6121.95%
201882,6531,0181.25%
201781,6351,5181.89%
201680,1171,3651.73%
201578,7521,3931.8%
201477,3597610.99%
201376,5986550.86%
201275,9433510.46%
201175,5921,1441.54%
201074,4485310.72%
200054,69312,53829.74%
199042,1557,75822.55%
198034,39719,185126.12%
197015,2129686.8%
196014,2444,13840.95%
195010,1068,206431.89%
19401,90000%

Median Age

Overall: 35.7 years
Female: 36 years
Male: 35.5 years

Kennewick Adults

There are 62,994 adults, (13,616 of whom are seniors) in Kennewick.

Sex Ratio

Female: 43,236 (50.7%)
Male: 42,059 (49.3%)

Demographics

The racial composition of Kennewick includes 63.94% White, 13.31% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White54,53563.94%
Two or more races14,69817.23%
Other race11,35113.31%
Black or African American1,9212.25%
Asian1,7162.01%
Native American8711.02%
Native Hawaiian or Pacific Islander2030.24%
Race
Population ↓
Percentage (of total)
Two or more races11,89813.95%
Other race10,93612.82%
White4,8725.71%
Native American4290.5%
Asian320.04%
Black or African American70.01%
Race
Population ↓
Percentage (of total)
White49,66358.22%
Two or more races2,8003.28%
Black or African American1,9142.24%
Asian1,6841.97%
Native American4420.52%
Other race4150.49%
Native Hawaiian or Pacific Islander2030.24%

Kennewick Marital Status

Economics and Income Statistics

Kennewick 's average per capita income is $51,420. Household income levels show a median of $73,576. The poverty rate stands at 14.31%.

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$111,943-
Families$91,141$112,360
Households$73,576$95,235
Non Families$45,248$55,676

$51,420

Average Income

$73,576

Median Household Income

14.31%

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)