Resident Population in Kings County, CA was 152.68200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Kings County, CA reached a record high of 152.98100 in January of 2022 and a record low of 66.50000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Kings County, CA - last updated from the United States Federal Reserve on May of 2024.