Net County-to-County Migration Flow (5-year estimate) for Washington County, KS was -122.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Washington County, KS reached a record high of 141.00000 in January of 2014 and a record low of -209.00000 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Net County-to-County Migration Flow (5-year estimate) for Washington County, KS - last updated from the United States Federal Reserve on May of 2024.