Kennewick is a larger medium-sized city located in the state of Washington. With a population of 84,750 people and 18 associated neighborhoods, Kennewick is the 15th largest community in Washington.

The overall education level of Kennewick is somewhat higher than in the average US city of 21.84%: 26.37% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Kennewick in 2022 was $34,211, which is middle income relative to Washington and the nation. This equates to an annual income of $136,844 for a family of four. However, Kennewick contains both very wealthy and poor people as well.

Kennewick is an extremely ethnically-diverse city. The people who call Kennewick home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Kennewick residents report their race to be White, followed by Asian. Kennewick also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 29.31% of the city’s residents. Important ancestries of people in Kennewick include German, English, Irish, Norwegian, and Scottish.

The most common language spoken in Kennewick is English. Other important languages spoken here include Spanish and Slavic languages.