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
Etna, Maine median income of $30,057 versus $21,250 for females. The per capita income for the town was $14,633. About 13.5% of families and 18.1% of the population were below the poverty line, including 26.7% of those under age 18 and 14.9% of those age 65 or over. Etna, Maine Etna is a town in Penobscot County, Maine, United States. The population was 1,246 at the 2010 census. Etna is named for the famed Mount Etna in Italy. It was originally known as "Crosbytown" after its first proprietor, Gen. John Crosby of Hampden. Etna was incorporated as a town in 1820. Circa