Resident Population in Wyandotte County, KS was 165.28100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Wyandotte County, KS reached a record high of 186.84500 in January of 1970 and a record low of 152.90000 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Wyandotte County, KS - last updated from the United States Federal Reserve on May of 2024.