Kennewick Flag

Kennewick

County:
Benton County
County Seat:
No
Area (mi²):
28.504
State:
Washington

Kennewick is a city located in Benton County, Washington. Kennewick has a 2025 population of 85,940. Kennewick is currently growing at a rate of 0.46% annually and its population has increased by 2.33% since the most recent census, which recorded a population of 83,984 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.

85.9K
Total Population
3,015
Density (mi²)
391 0.46%
Growth

Kennewick Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)