Kennewick is a city located in Benton County, Washington. Kennewick has a 2025 population of 87,410 . Kennewick is currently growing at a rate of 0.79% annually and its population has increased by 4.06% since the most recent census, which recorded a population of 84,000 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. For every 100 females there are 97.9 males.
Data after 2023 is projected based on recent change
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.
White (67.15%)
Two or more races (13.98%)
Other race (13.5%)
Black or African American (2.27%)
Asian (1.94%)
Native American (1.08%)
Native Hawaiian or Pacific Islander (0.07%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,051 | - |
| Families | $87,480 | $109,397 |
| Households | $72,867 | $94,638 |
| Non Families | $45,168 | $55,665 |
Average Income
Median Household Income
Poverty Rate