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, Pennsylvania Butler Street Railway, which linked Pittsburgh with Butler. Etna is located at (40.500338, -79.948755). According to the United States Census Bureau, the borough has a total area of , all of it land. Etna is almost entirely bordered by Shaler Township with its only other border being with the borough of Sharpsburg to the southeast. School tax millage rate- The Shaler School District (shared with Millvale, Shaler Township and Reserve Township) in 2017 was 23.28. This ranked 16th highest/most expensive out of Allegheny County's 45 school districts [between Cornell SD (15th highest) and Riverview SD (17th highest)]. As of the