 About 17.3% of families and 19.5% of the population were below the poverty line, including 25.8% of those under age 18 and 13.3% of those age 65 or over.Vinton County is typically a Republican county in presidential elections, having picked the GOP candidate in 11 of the last 15 elections.But no Republican in recent history has won the county as overwhelmingly as Donald Trump did in 2016 as he carried 70% of the vote.