Resident Population in Nelson County, ND was 2.99100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Nelson County, ND reached a record high of 5.90000 in January of 1972 and a record low of 2.85600 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Nelson County, ND - last updated from the United States Federal Reserve on June of 2024.