6 . 3 0 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁▁ 2 0 1 0 ▁census ▁As ▁of ▁the ▁ 2 0 1 0 ▁United ▁States ▁Census , ▁there ▁were ▁ 1 8 , 3 9 5   people , ▁ 6 , 7 0 0   house holds , ▁and ▁ 5 , 1 0 0   famil ies ▁living ▁in ▁the ▁county . ▁The ▁population ▁density ▁was ▁. ▁There ▁were ▁ 7 , 5 9 5 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁. ▁The ▁ra cial ▁make up ▁of ▁the ▁county ▁was ▁ 9 1 . 7 % ▁white , ▁ 2 . 3 % ▁black ▁or ▁African ▁American , ▁ 0 . 9 % ▁Asian , ▁ 0 . 3 % ▁American ▁Indian , ▁ 3 . 3 % ▁from ▁other ▁races , ▁and ▁ 1 . 4 % ▁from ▁two ▁or ▁more ▁races . ▁Those ▁of ▁His pan ic ▁or ▁Lat ino ▁origin ▁made ▁up ▁ 5 . 7 % ▁of ▁the ▁population . ▁In ▁terms ▁of ▁ancest ry , ▁ 1 8 . 7 % ▁were ▁American , ▁ 8 . 5 % ▁were ▁Irish , ▁and ▁ 8 . 5 % ▁were ▁English . ▁ ▁Of ▁the ▁ 6 , 7 0 0   house holds , ▁ 3 6 . 8 % ▁had ▁children ▁under ▁the ▁age ▁of ▁ 1 8 ▁living ▁with ▁them , ▁ 6 0 . 6 % ▁were ▁married ▁cou ples ▁living ▁together , ▁ 1 0