Nucla is a Statutory Town in Montrose County, Colorado, United States. The population was 734 at the 2000 census. Its name comes from the town's founders intent that it serve as a "nucleus" for the surrounding farms and mines, although it has since come to be associated with the growth of uranium mining in the region.
Nucla is located at 38°16′0″N 108°32′50″W / 38.266667°N 108.54722°W / 38.266667; -108.54722 (38.266775, -108.547146).
According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km²), all of it land. Nucla is located in an area of desert land, surrounding the Uncompahgre National Forest.