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, New Hampshire business located in the unincorporated area. Nearby one can often see a small blue-and-white yard sign that says "Welcome to Metropolitan Downtown Etna." The Etna Post Office was formerly located adjacent to the General Store, but it moved west across Mink Brook in the early 2000s. The store was planning a renovation in 2017, and is built on the site of the original Etna General Store which burned down in 1921. Every summer, the village holds the Old Timer's fair on the Hanover Center green, north of the center of Etna. For many years, Dave Laware, former operator of the