Clay County is a county located in the U.S. state of Indiana. As of the most recent data available, the county has a population of approximately 26,556 people, with a population density of about 74.18 persons per square mile.
The county spans a total land area of 358.00 square miles (927.00 square kilometers). The administrative center and county seat is Brazil, which often serves as a hub for local governance and services. The largest city within the county by population is Brazil.
Geographically, Clay County experiences varied elevations, with its highest point at Carbon 687 ft and its lowest point at Clay City 587 ft. The region operates in the UTC-5.