Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in St. Clair County, IL was 38.38% 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 St. Clair County, IL reached a record high of 42.22 in January of 2017 and a record low of 38.38 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 St. Clair County, IL - last updated from the United States Federal Reserve on May of 2024.