Resident Population in Santa Fe County, NM was 155.95600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Santa Fe County, NM reached a record high of 155.95600 in January of 2023 and a record low of 54.77400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Santa Fe County, NM - last updated from the United States Federal Reserve on May of 2024.