Resident Population in San Juan County, NM was 120.67500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in San Juan County, NM reached a record high of 130.20900 in January of 2010 and a record low of 52.51700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in San Juan County, NM - last updated from the United States Federal Reserve on May of 2024.