▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁village ▁was ▁$ 1 6 , 5 6 5 . ▁ ▁About ▁ 1 0 . 7 % ▁of ▁families ▁and ▁ 1 2 . 2 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 9 . 8 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 4 0 . 7 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁The ▁rate ▁of ▁college - level ▁education ▁in ▁Liber ty ▁is ▁quite ▁a ▁bit ▁lower ▁than ▁the ▁national ▁average ▁among ▁all ▁cities ▁of ▁ 1 4 . 9 6 % : ▁just ▁ 1 0 . 2 6 % ▁of ▁people ▁here ▁over ▁ 2 5 ▁have ▁a ▁b ach elor ' s ▁degree ▁or ▁an ▁advanced ▁degree . ▁ ▁The ▁per ▁cap ita ▁income ▁in ▁Liber ty ▁in ▁ 2 0 0 0 ▁was ▁$ 1 8 , 6 8 2 , ▁which ▁is ▁middle ▁income ▁relative ▁to ▁Illinois ▁and ▁the ▁nation . ▁This ▁equ ates ▁to ▁an ▁annual ▁income ▁of ▁$ 7 4 , 7 2 8 ▁for ▁a ▁family ▁of ▁four . ▁ ▁The ▁people ▁who ▁call ▁Liber ty ▁home ▁come ▁from ▁a ▁variety ▁of ▁different ▁races ▁and ▁ancest ries . ▁Import ant ▁ancest ries ▁of ▁people ▁in ▁Liber ty ▁include ▁German , ▁English , ▁and ▁Irish . ▁ ▁The ▁most ▁common ▁language ▁spoken ▁in ▁Liber ty ▁is ▁English . ▁ ▁In ▁Liber ty , ▁ 9 4 % ▁of ▁commut ers ▁drive ▁to