Resident Population in Prowers County, CO was 11.75100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Prowers County, CO reached a record high of 14.52000 in January of 1999 and a record low of 11.75100 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Prowers County, CO - last updated from the United States Federal Reserve on May of 2024.