Resident Population in Phelps County, NE was 9.05700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Phelps County, NE reached a record high of 10.12200 in January of 1982 and a record low of 8.93300 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Phelps County, NE - last updated from the United States Federal Reserve on May of 2024.