▁ 4 4 , ▁ 2 4 . 7 % ▁from ▁ 4 5 ▁to ▁ 6 4 , ▁and ▁ 1 3 . 5 % ▁who ▁were ▁ 6 5 ▁years ▁of ▁age ▁or ▁older . ▁The ▁median ▁age ▁was ▁ 3 6 ▁years . ▁For ▁every ▁ 1 0 0 ▁females , ▁there ▁were ▁ 8 9 . 6 ▁males . ▁For ▁every ▁ 1 0 0 ▁females ▁age ▁ 1 8 ▁and ▁over , ▁there ▁were ▁ 8 3 . 4 ▁males . ▁ ▁The ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁city ▁was ▁$ 2 3 , 4 2 1 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 2 6 , 4 2 9 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 2 8 , 8 3 3 ▁versus ▁$ 2 1 , 2 5 0 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁city ▁was ▁$ 1 2 , 4 9 1 . ▁About ▁ 2 8 . 6 % ▁of ▁families ▁and ▁ 3 1 . 6 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 3 8 . 3 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 2 7 . 7 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Education ▁The ▁City ▁of ▁Am es ▁is ▁served ▁by ▁the ▁Liber ty ▁Independent ▁School ▁District . ▁The ▁Liber ty ▁Independent ▁School ▁District ▁has ▁two ▁elementary ▁schools , ▁one ▁intermediate ▁school , ▁and ▁one