Editing Tri-Cities, Washington (section)

===Kennewick===
As of April 1, 2024, the population of Kennewick was estimated at 87,120 <ref name="ReferenceA">{{cite web
|url=https://ofm.wa.gov/sites/default/files/public/dataresearch/pop/april1/ofm_april1_population_final.pdf|title = April 1, 2022 Population of Cities, Towns and Counties|website=ofm.wa.gov}}</ref> according to the Washington State Office of Financial Management, Forecasting Division.

As of the 2023 census, there were 85,155 people, 30,295 households, and 2.8 persons per household. The population density was {{convert|2,987.5|/mi2|/km2|disp=preunit|people&nbsp;|people}}. There were 32,495 housing units at an average density of {{convert|961.2|/mi2|/km2}}. The racial makeup of the city was 55% White, 2% Black or African American, 1% Native American, 2% Asian, <1% Pacific Islander, 2% from other races, and 3% from two or more races. 36% of the population was Hispanic or Latino of any race.

There were 30,295 households, out of which 37.6% had children under the age of 18 living with them, 51.5% were married couples living together, 12.2% had a female householder, and 31.8% were non-families. 26.1% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.6 and the average family size was 3.15.

In the city the population was spread out, with 29.6% under the age of 18, 10.3% from 18 to 24, 29.3% from 25 to 44, 20.6% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 98.3 males. For every 100 females age 18 and over, there were 94.3 males.

The median income for a household in the city was $41,213, and the median income for a family was $50,011. Males had a median income of $41,589 versus $26,022 for females. The per capita income for the city was $20,152. About 9.7% of families and 12.9% of the population were below the poverty line, including 18.8% of those under age 18 and 8.7% of those age 65 or over.