Resident Population in Ste. Genevieve County, MO was 18.64200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Ste. Genevieve County, MO reached a record high of 18.64400 in January of 2022 and a record low of 12.86700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ste. Genevieve County, MO - last updated from the United States Federal Reserve on May of 2024.