% ▁who ▁were ▁ 6 5 ▁years ▁of ▁age ▁or ▁older . ▁The ▁median ▁age ▁was ▁ 4 7 . 5 ▁years . ▁For ▁every ▁ 1 0 0 ▁females , ▁there ▁were ▁ 8 1 . 5 ▁males . ▁For ▁every ▁ 1 0 0 ▁females ▁age ▁ 1 8 ▁and ▁over , ▁there ▁were ▁ 8 0 ▁males ▁age ▁ 1 8 ▁and ▁over . ▁ ▁The ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁city ▁was ▁$ 4 1 , 2 5 0 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 4 9 , 1 6 7 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 1 9 , 1 6 7 ▁versus ▁$ 4 0 , 8 3 3 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁city ▁was ▁$ 1 6 , 2 1 6 . ▁There ▁were ▁ 7 . 1 % ▁of ▁families ▁and ▁ 4 . 0 % ▁of ▁the ▁population ▁living ▁below ▁the ▁pover ty ▁line , ▁including ▁ 5 . 6 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁none ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁▁ 2 0 0 0 ▁census ▁As ▁of ▁the ▁census ▁of ▁ 2 0 0 0 , ▁there ▁were ▁ 6 4 ▁people , ▁ 2 8 ▁households , ▁and ▁ 1 6 ▁families ▁res iding ▁in ▁the ▁city . ▁The ▁population ▁density ▁was ▁ 2 5 1 . 8 ▁people ▁per ▁square ▁mile ▁( 9 8 . 8 /