▁ 1 8 ▁to ▁ 2 4 , ▁ 1 1 % ▁from ▁ 2 5 ▁to ▁ 3 4 , ▁ 1 5 . 8 % ▁from ▁ 3 5 ▁to ▁ 4 9 , ▁ 1 5 % ▁from ▁ 5 0 - 6 4 , ▁and ▁ 1 1 . 7 % ▁who ▁were ▁ 6 5 ▁years ▁of ▁age ▁or ▁older . ▁The ▁population ▁of ▁N aco , ▁by ▁ 2 0 1 0 ▁census ▁estimates , ▁is ▁ 4 8 . 7 % ▁male , ▁ 5 1 . 3 % ▁female . ▁ ▁According ▁to ▁the ▁ 2 0 0 0 ▁census , ▁the ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁CD P ▁was ▁$ 2 2 , 0 4 5 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 2 5 , 2 2 7 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 2 1 , 9 2 3 ▁versus ▁$ 1 5 , 8 8 2 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁CD P ▁was ▁$ 9 , 1 6 9 . ▁About ▁ 3 3 . 0 % ▁of ▁families ▁and ▁ 3 4 . 2 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 4 6 . 1 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 2 5 . 4 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Pre histor ic ▁N aco ▁The ▁N aco - M