Etna, Minnesota Etna, Minnesota Etna is an unincorporated community in Bloomfield Township, Fillmore County, Minnesota, United States. Etna is located within ZIP code 55975 based in Spring Valley. A post office previously operated in the community of Etna from 1856 to 1901. The community was named for Mount Etna, on Sicily. The community is located 8 miles southeast of Spring Valley, at the junction of Fillmore County 14 and 153rd Avenue. U.S. Highway 63 is nearby. Etna Creek and the South Branch Root River both flow through the community. Nearby places in Minnesota include Spring Valley, Ostrander, Le Roy, Cherry Grove, and
Etna, Pennsylvania Etna, Pennsylvania Etna is a borough in Allegheny County in the U.S. state of Pennsylvania, along the Allegheny River, opposite Pittsburgh. Etna was named after the volcano Mount Etna, an allusion to blast furnaces, steel mills, galvanized-pipe works, and other manufacturers located there. In 1900, 5,384 people lived in Etna. In 1910, 5,830 lived there, and in 1940, 7,223 lived there. The population was 3,451 at the 2010 census. Etna was the terminus of the No. 2 Pittsburgh Railways streetcar service from downtown Pittsburgh, closed in 1952. From 1907 until 1931, it was a stop on the interurban Pittsburgh and