The Tri-Cities MSA is the fourth largest Metropolitan Statistical Area (MSA) in the state of Washington.  With a population of 253,340, the major communities are Kennewick, Pasco, Richland and West Richland.  The Tri-Cities MSA includes both Benton and Franklin Counties.


In this section you will find information on:


For additional demographic information, please contact Traci Jao, Project Manager.