 About 8.80% of families and 14.90% of the population were below the poverty line, including 15.80% of those under age 18 and 8.20% of those age 65 or over.Otsego County is a true swing county and bellwether; it has chosen the winner of the presidency for the last three decades.In 2004, Otsego County voted 51–48 percent in favor of George W. Bush.