Unemployment Rate in Multnomah County, OR was 4.90% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Multnomah County, OR reached a record high of 14.20 in April of 2020 and a record low of 2.40 in November of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Multnomah County, OR - last updated from the United States Federal Reserve on April of 2026.