Hayden is a town in Gila and Pinal counties in the U.S. state of Arizona. According to 2006 Census Bureau estimates, the population of the town is 843. The economic base of Hayden's economy is the Hayden Smelter.
Hayden is located at 33°0′5″N 110°47′8″W / 33.00139°N 110.78556°W / 33.00139; -110.78556 (33.001369, -110.785688), adjacent to Winkelman and almost entirely in Gila County.
According to the United States Census Bureau, the town has a total area of 1.3 square miles (3.3 km²), all of it land.