Clay County is a county located in the U.S. state of Missouri. As of the most recent data available, the county has a population of approximately 184,006 people, with a population density of about 463.49 persons per square mile.
The county spans a total land area of 397.00 square miles (1,028.00 square kilometers). The administrative center and county seat is Liberty, which often serves as a hub for local governance and services. The largest city within the county by population is Gladstone.
Geographically, Clay County experiences varied elevations, with its highest point at Mosby 1,012 ft and its lowest point at Pleasant Valley 0 ft. The region operates in the UTC-6.