Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in Ontario County, NY was 32.15% 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 Ontario County, NY reached a record high of 35.87 in January of 2020 and a record low of 28.43 in January of 2009. 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 Ontario County, NY - last updated from the United States Federal Reserve on May of 2024.