▁ 3 7 ▁years . ▁For ▁every ▁ 1 0 0 ▁females , ▁there ▁were ▁ 9 9 . 3 ▁males . ▁For ▁every ▁ 1 0 0 ▁females ▁age ▁ 1 8 ▁and ▁over , ▁there ▁were ▁ 9 6 . 9 ▁males . ▁ ▁The ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁city ▁was ▁$ 5 7 , 8 5 0 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 5 9 , 3 4 8 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 4 1 , 9 3 2 ▁versus ▁$ 2 9 , 6 4 3 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁city ▁was ▁$ 1 9 , 5 8 3 . ▁About ▁ 3 . 0 % ▁of ▁families ▁and ▁ 2 . 9 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 2 . 6 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 3 . 9 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Notable ▁people ▁ ▁Matt ie ▁Bl ay lock , ▁common - law ▁wife ▁of ▁Wy att ▁Ear p ▁ ▁References ▁ ▁External ▁links ▁▁ ▁City ▁Data ▁Statist ical ▁Data ▁and ▁more ▁about ▁Fair f ax , ▁Iowa ▁ ▁Category : C ities ▁in ▁Iowa ▁Category : C ities ▁in ▁L inn ▁County , ▁Iowa ▁Category : C ed ar ▁Rap ids , ▁Iowa ▁metropol itan ▁area ▁Category : 1 8 6 3 ▁establish ments ▁in ▁Iowa <0x0A> </s>