Net County-to-County Migration Flow (5-year estimate) for Kauai County, HI was 659.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Kauai County, HI reached a record high of 717.00000 in January of 2009 and a record low of -1023.00000 in January of 2012. 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 Kauai County, HI - last updated from the United States Federal Reserve on June of 2024.