Resident Population in Harvey County, KS was 33.50400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Harvey County, KS reached a record high of 34.83200 in January of 2015 and a record low of 27.23600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Harvey County, KS - last updated from the United States Federal Reserve on May of 2024.