Resident Population in Morton County, KS was 2.48500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Morton County, KS reached a record high of 3.60000 in January of 1972 and a record low of 2.48500 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Morton County, KS - last updated from the United States Federal Reserve on April of 2026.