▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁CD P ▁was ▁$ 2 0 , 3 1 4 . ▁About ▁ 7 . 6 % ▁of ▁families ▁and ▁ 9 . 1 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 1 0 . 0 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 1 3 . 1 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁History ▁ ▁Some ▁say , ▁the ▁name ▁" Big f ork " ▁is ▁derived ▁from ▁the ▁Sal ish ▁name ▁for ▁the ▁area . ▁However ▁Big f ork ▁is ▁a ▁fork ▁where ▁two ▁rivers , ▁the ▁Fl at head ▁River ▁and ▁the ▁Sw an ▁River ▁flow ▁in ▁to ▁the ▁Fl at head ▁Lake . ▁There ▁are ▁reports ▁of ▁a ▁hom est ead ▁and ▁orch ard ▁immediately ▁north ▁of ▁Big f ork ▁as ▁early ▁as ▁ 1 8 8 5 . ▁Ever it ▁L . ▁Sl iter ▁set ▁out ▁ 5 0 0 ▁apple , ▁cher ry , ▁pl um , ▁and ▁p ear ▁trees ▁in ▁ 1 8 9 2 ▁on ▁Fl at head ▁Lake ' s ▁east ▁shore . ▁He ▁became ▁the ▁first ▁post master ▁in ▁ 1 9 0 1 . ▁In ▁ 1 9 0 2 , ▁he ▁pl atted ▁the ▁Big f ork ▁town site ▁at ▁the ▁mouth ▁of ▁the ▁Sw an ▁River . ▁The ▁east ▁shore ▁has ▁since ▁become ▁a ▁major ▁cher ry - g row ing ▁area . ▁Way far ers ▁State ▁Park