5 ▁years ▁of ▁age ▁or ▁older . ▁ ▁The ▁median ▁age ▁was ▁ 3 6 ▁years . ▁For ▁every ▁ 1 0 0 ▁females , ▁there ▁were ▁ 8 9 . 7 0 ▁males . ▁ ▁For ▁every ▁ 1 0 0 ▁females ▁age ▁ 1 8 ▁and ▁over , ▁there ▁were ▁ 8 4 . 6 0 ▁males . ▁ ▁The ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁county ▁was ▁$ 2 7 , 3 8 8 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 3 4 , 5 4 6 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 3 4 , 1 1 1 ▁versus ▁$ 1 9 , 0 7 5 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁county ▁was ▁$ 1 4 , 5 8 1 . ▁ ▁About ▁ 1 8 . 1 0 % ▁of ▁families ▁and ▁ 2 2 . 6 0 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 2 9 . 6 0 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 2 3 . 8 0 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Government ▁Since ▁ 1 9 6 0 , ▁Clar ke ▁County ▁has ▁been ▁mostly ▁Republican , ▁although ▁it ▁has ▁sometimes ▁voted ▁for ▁state - level ▁Democr ats ▁such ▁as ▁Doug ▁Jones ▁in ▁ 2 0 1 7 . ▁ ▁Commun ities ▁ ▁C ities ▁Jackson ▁Thomas ville ▁ ▁Town s ▁C off ee ville