Kennewick is a city located in Washington. With a 2020 population of 86,101, it is the 15th largest city in Washington and the 398th largest city in the United States. Kennewick is currently growing at a rate of 1.87% annually and its population has increased by 16.48% since the most recent census, which recorded a population of 73,917 in 2010. Spanning over 29 miles, Kennewick has a population density of 3,137 people per square mile.
The average household income in Kennewick is $71,663 with a poverty rate of 16.89%. The median rental costs in recent years comes to $889 per month, and the median house value is $196,100. The median age in Kennewick is 33 years, 31.8 years for males, and 34.4 years for females. For every 100 females there are 101.5 males.