Resident Population in Merrick County, NE was 7.83700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Merrick County, NE reached a record high of 9.20000 in January of 1977 and a record low of 7.55500 in January of 2007. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Merrick County, NE - last updated from the United States Federal Reserve on April of 2026.