Town of Mount Etna Report Located in southwestern Huntington County on Indiana Highway 124 on the banks of the Salamonie State Recreational Reservoir, Mount Etna is named for a volcano in Sicily. Ranking as the smallest hometown in Indiana with an estimated population of 108, Mount Etna is your Huntington County gateway for outdoor recreation. Contact Information:Erica DorsettClerk-TreasurerTown of Mount Etna6165 S 600WWarren, IN 46792260-468-2703 Salamonie State Reservoir website:http://www.stateparks.com/salamonie_river.html