Resident Population in Adams County, ND was 2.14100 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Adams County, ND reached a record high of 3.83200 in January of 1970 and a record low of 2.10600 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Adams County, ND - last updated from the United States Federal Reserve on April of 2026.