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
Etna Township, Licking County, Ohio Etna Township, Licking County, Ohio Etna Township is one of the twenty-five townships of Licking County, Ohio, United States. The 2010 census found 16,373 people in the township, 8,311 of whom lived in the unincorporated portions of the township. Located in the southwestern corner of the county, it borders the following townships and city: Part of the city of Reynoldsburg occupies the western end of Etna Township, part of the village of Kirkersville occupies the eastern end, and the unincorporated community of Etna lies in the central part of the township. Etna Township was established in 1833. It is the