Clay is a city in Webster County, Kentucky, United States. The population was 1,179 at the 2000 census. Settled in 1837, the city is named for statesman Henry Clay.
Clay is located at 37°28′41″N 87°49′15″W / 37.477969°N 87.820922°W / 37.477969; -87.820922.
According to the United States Census Bureau, the city has a total area of 0.9 square miles (2.4 km²), all of it land.