Resident Population in Kingfisher County, OK was 15.48100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Kingfisher County, OK reached a record high of 16.37200 in January of 1983 and a record low of 12.70000 in January of 1973. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Kingfisher County, OK - last updated from the United States Federal Reserve on May of 2024.