Resident Population in Socorro County, NM was 15.96700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Socorro County, NM reached a record high of 18.21800 in January of 2006 and a record low of 9.76300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Socorro County, NM - last updated from the United States Federal Reserve on April of 2026.