Estimate, Median Age by Sex, Total Population (5-year estimate) in Hidalgo County, NM was 42.10000 Years of Age in January of 2022, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Hidalgo County, NM reached a record high of 43.30000 in January of 2018 and a record low of 36.40000 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in Hidalgo County, NM - last updated from the United States Federal Reserve on May of 2024.