Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in St. Lucie County, FL was 39.39% 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. Lucie County, FL reached a record high of 39.44 in January of 2013 and a record low of 33.54 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 St. Lucie County, FL - last updated from the United States Federal Reserve on May of 2024.