3 4 , 8 8 6 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 4 6 , 2 5 0 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 2 8 , 5 4 2 ▁versus ▁$ 2 0 , 3 1 3 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁town ▁was ▁$ 1 8 , 0 8 2 . ▁About ▁ 4 . 7 % ▁of ▁families ▁and ▁ 4 . 5 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 9 . 4 % ▁of ▁those ▁under ▁the ▁age ▁of ▁eigh teen ▁and ▁ 1 . 7 % ▁of ▁those ▁si xty ▁five ▁or ▁over . ▁ ▁In frastr ucture ▁ ▁Major ▁high ways ▁Vienna ▁is ▁travers ed ▁by ▁several ▁Del mar va ▁high ways : ▁▁ ▁Maryland ▁Route ▁ 7 3 1 ▁leads ▁straight ▁into ▁the ▁center ▁of ▁town , ▁meeting ▁a ▁dead ▁end ▁where ▁the ▁old ▁draw bridge ▁span ▁over ▁the ▁N ant ico ke ▁River ▁was ▁located . ▁The ▁road ▁is ▁also ▁known ▁as ▁Old ▁Route ▁ 5 0 , ▁as ▁it ▁was ▁once ▁US ▁ 5 0 . ▁ ▁Maryland ▁Route ▁ 3 3 1 ▁( R h odes dale - V ien na ▁Road ) ▁travel s ▁north ▁out ▁of ▁the ▁town , ▁bound ▁for ▁Rh odes dale . ▁It ▁starts ▁at ▁Old ▁US ▁ 5 0 ▁and ▁travel s ▁north ▁through ▁the ▁middle ▁of ▁town , ▁inter ch anging ▁with ▁US ▁ 5 0 . ▁