▁of ▁ 7 0 . 8 ▁per ▁square ▁mile ▁( 2 7 . 4 / km ²). ▁The ▁ra cial ▁make up ▁of ▁the ▁bor ough ▁was ▁ 9 8 . 7 2 % ▁White , ▁ 0 . 1 6 % ▁African ▁American , ▁ 0 . 3 2 % ▁from ▁other ▁races , ▁and ▁ 0 . 8 0 % ▁from ▁two ▁or ▁more ▁races . ▁His pan ic ▁or ▁Lat ino ▁of ▁any ▁race ▁were ▁ 0 . 1 6 % ▁of ▁the ▁population . ▁ ▁There ▁were ▁ 2 4 3 ▁households , ▁out ▁of ▁which ▁ 3 9 . 1 % ▁had ▁children ▁under ▁the ▁age ▁of ▁ 1 8 ▁living ▁with ▁them , ▁ 4 9 . 4 % ▁were ▁married ▁cou ples ▁living ▁together , ▁ 1 1 . 5 % ▁had ▁a ▁female ▁house holder ▁with ▁no ▁husband ▁present , ▁and ▁ 3 2 . 5 % ▁were ▁non - famil ies . ▁ 2 6 . 7 % ▁of ▁all ▁households ▁were ▁made ▁up ▁of ▁individuals , ▁and ▁ 1 1 . 9 % ▁had ▁someone ▁living ▁alone ▁who ▁was ▁ 6 5 ▁years ▁of ▁age ▁or ▁older . ▁The ▁average ▁household ▁size ▁was ▁ 2 . 5 6 ▁and ▁the ▁average ▁family ▁size ▁was ▁ 3 . 1 3 . ▁ ▁In ▁the ▁bor ough ▁the ▁population ▁was ▁spread ▁out , ▁with ▁ 3 1 . 3 % ▁under ▁the ▁age ▁of ▁ 1 8 , ▁ 7 . 7 % ▁from ▁