Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in King County, WA was 22.05% in January of 2022, according to the United States Federal Reserve. Historically, Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in King County, WA reached a record high of 25.07 in January of 2009 and a record low of 22.05 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in King County, WA - last updated from the United States Federal Reserve on May of 2024.