Aug 8, 2026 3 min read
Benton County's Population is Growing - Where are They Coming From?
Benton County added more than 1,000 new residents in the most recent IRS tracking year. Most of those new residents were already Washingtonians when they moved, and despite a common refrain you might hear around the Tri-Cities, very few relocated from King County and the west side of the state.Yes, I said "IRS" above -- not the Census Bureau. The IRS tracks the addresses on tax returns every year