Resident Population in Dona Ana County, NM was 229.36600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Dona Ana County, NM reached a record high of 229.36600 in January of 2024 and a record low of 69.77300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Dona Ana County, NM - last updated from the United States Federal Reserve on April of 2026.