ales ▁had ▁a ▁median ▁income ▁of ▁$ 3 1 , 3 2 0 ▁versus ▁$ 2 7 , 4 1 3 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁town ▁was ▁$ 1 8 , 0 5 6 . ▁About ▁ 8 . 2 % ▁of ▁families ▁and ▁ 1 3 . 4 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 1 4 . 5 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 7 . 1 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁D over ▁has ▁a ▁large ▁His pan ic ▁population ▁with ▁the ▁largest ▁concentr ations ▁being ▁of ▁Mexican , ▁Colomb ian , ▁Domin ican ▁and ▁Puerto ▁R ican ▁ancest ry . ▁His pan ics ▁have ▁been ▁a ▁dem ographic ▁majority ▁since ▁ 1 9 8 0 , ▁and ▁have ▁grown ▁quickly . ▁As ▁of ▁the ▁ 2 0 0 0 ▁Census , ▁D over ' s ▁population ▁was ▁ 5 7 . 9 % ▁His pan ic , ▁making ▁it ▁the ▁municipality ▁with ▁the ▁fifth - high est ▁His pan ic ▁population ▁percentage ▁in ▁New ▁Jersey ▁and ▁one ▁of ▁eight ▁New ▁Jersey ▁municipal ities ▁with ▁a ▁His pan ic ▁majority . ▁The ▁surrounding ▁Morris ▁County ▁area ▁is ▁pre domin antly ▁non - H is pan ic ▁( 7 . 8 % ▁His pan ic ▁or ▁Lat ino , ▁of ▁any ▁race ). ▁ ▁Park s ▁and ▁recre ation ▁ ▁Hed den ▁County ▁Park , ▁on ▁Res er voir