Resident Population in Stevens County, KS was 5.07700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Stevens County, KS reached a record high of 5.83800 in January of 2014 and a record low of 4.00000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Stevens County, KS - last updated from the United States Federal Reserve on May of 2024.