0 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 6 . 0 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Same - sex ▁cou ples ▁head ed ▁ 1 4 ▁households ▁in ▁ 2 0 1 0 , ▁an ▁increase ▁from ▁the ▁ 1 1 ▁counted ▁in ▁ 2 0 0 0 . ▁ ▁Census ▁ 2 0 0 0 ▁As ▁of ▁the ▁ 2 0 0 0 ▁United ▁States ▁Census ▁there ▁were ▁ 5 , 9 1 7 ▁people , ▁ 2 , 3 9 3 ▁households , ▁and ▁ 1 , 5 9 3 ▁families ▁res iding ▁in ▁the ▁bor ough . ▁The ▁population ▁density ▁was ▁ 1 , 4 9 6 . 4 ▁people ▁per ▁square ▁mile ▁( 5 7 8 . 4 / km 2 ). ▁There ▁were ▁ 2 , 4 7 3 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 6 2 5 . 4 ▁per ▁square ▁mile ▁( 2 4 1 . 7 / km 2 ). ▁The ▁ra cial ▁make up ▁of ▁the ▁bor ough ▁was ▁ 8 8 . 9 0 % ▁White , ▁ 1 . 3 7 % ▁African ▁American , ▁ 0 . 0 8 % ▁Native ▁American , ▁ 6 . 1 9 % ▁Asian , ▁ 0 . 0 2 % ▁Pacific ▁Island er , ▁ 2 . 1 3 % ▁from ▁other ▁races , ▁and ▁ 1 . 3 2 % ▁from ▁two ▁or ▁more ▁races . ▁His pan ic ▁or ▁Lat ino