Kennewick is a city in
Benton County in the southeastern part of the
State of
Washington, along the southwest bank of the
Columbia River, just southeast of the confluence of the Columbia and
Yakima rivers and across from the confluence of the Columbia and the
Snake. It is the most populous of the three cities collectively referred to as the
Tri-Cities (the others being
Pasco across the Columbia and
Richland across the Yakima). The population was 73,917 at the
2010 census. April 1, 2013 estimates from the Washington State Office of Financial Management put the city's population at 76,410.