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.
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 (67.2%)
Two or more races (14.0%)
Other race (13.5%)
Black or African American (2.3%)
Asian (1.9%)
Native American (1.1%)
Native Hawaiian or Pacific Islander (0.1%)
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