Resident Population in Rice County, KS was 9.26000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Rice County, KS reached a record high of 12.50000 in January of 1972 and a record low of 9.26000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Rice County, KS - last updated from the United States Federal Reserve on May of 2024.