Resident Population in Cowley County, KS was 34.15700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Cowley County, KS reached a record high of 37.29000 in January of 1996 and a record low of 33.80000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Cowley County, KS - last updated from the United States Federal Reserve on May of 2024.