▁had ▁a ▁median ▁income ▁of ▁$ 6 8 , 4 7 8 ▁(+ /- ▁$ 6 , 7 5 7 ) ▁versus ▁$ 4 9 , 3 2 7 ▁(+ /- ▁$ 4 , 5 8 9 ) ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁bor ough ▁was ▁$ 3 3 , 0 9 9 ▁(+ /- ▁$ 2 , 4 9 5 ). ▁About ▁ 0 . 7 % ▁of ▁families ▁and ▁ 1 . 0 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 1 . 0 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁none ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Census ▁ 2 0 0 0 ▁As ▁of ▁the ▁ 2 0 0 0 ▁United ▁States ▁Census ▁there ▁are ▁ 2 , 9 8 8 ▁people , ▁ 1 , 0 2 7 ▁households , ▁and ▁ 8 2 5 ▁families ▁res iding ▁in ▁the ▁bor ough . ▁ ▁The ▁population ▁density ▁is ▁ 2 , 4 3 7 . 2 ▁people ▁per ▁square ▁mile ▁( 9 3 7 . 9 / km 2 ). ▁ ▁There ▁are ▁ 1 , 0 4 5 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 8 5 2 . 4 ▁per ▁square ▁mile ▁( 3 2 8 . 0 / km 2 ). ▁ ▁The ▁ra cial ▁make up ▁of ▁the ▁bor ough ▁is ▁ 9 6 . 3 5 % ▁White , ▁ 1 . 5 4 % ▁African