Unemployment Rate in Benton County, OR was 3.60% in January of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Benton County, OR reached a record high of 7.60 in January of 2009 and a record low of 2.20 in January of 1995. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Benton County, OR - last updated from the United States Federal Reserve on February of 2026.