Estimated Percent of Related Children Age 5-17 in Families in Poverty for Costilla County, CO was 34.70% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of Related Children Age 5-17 in Families in Poverty for Costilla County, CO reached a record high of 49.60 in January of 1989 and a record low of 27.10 in January of 2004. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of Related Children Age 5-17 in Families in Poverty for Costilla County, CO - last updated from the United States Federal Reserve on May of 2024.