Etna, California Etna, California Etna is a city in the Scott Valley area of Siskiyou County, California, United States. The population was 737 at the 2010 census, down from 781 at the 2000 census. Originally named Rough and Ready, it was changed by statute in 1874 to Etna after the local flour mill (spelled Ætna/Aetna after Mount Ætna in Sicily). Etna is located at (41.457350, -122.896875). Etna is in Northern California near the Oregon border, located in Scott Valley near the CDP of Greenview, the city of Fort Jones, and the unincorporated community of Callahan. Etna is located at the foot of
Mount Etna, Indiana Mount Etna, Indiana Mount Etna is a town in Huntington County, Indiana, United States. The population was 94 at the 2010 census. It lies at the intersection of four townships: Jefferson, Lancaster, Polk and Wayne. Mount Etna was platted in 1839. It was an important trading point in the 19th century until the building of the railroad through neighboring rival towns diverted much of its business. Mount Etna is located on State Route 124 about west of Bluffton. According to the 2010 census, Mount Etna has a total area of , all land. As of the census of 2010, there