2 % ▁of ▁families ▁and ▁ 4 . 6 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 3 . 5 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 2 . 5 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁City ▁of ▁Du P ont ▁ ▁History ▁of ▁Du P ont ▁at ▁History Link ▁ ▁Du P ont ▁Museum ▁ ▁Du P ont ▁Vis itor ▁Information ▁ ▁Du P ont ▁Company ▁Heritage ▁▁ ▁( Out ▁of ▁Date ) ▁ ▁Category : C ities ▁in ▁Washington ▁( state ) ▁Category : C ities ▁in ▁Pier ce ▁County , ▁Washington ▁Category : C ities ▁in ▁the ▁Seattle ▁metropol itan ▁area ▁Category : Company ▁towns ▁in ▁Washington ▁( state ) ▁Category : D u P ont ▁Category : 1 9 1 2 ▁establish ments ▁in ▁Washington ▁( state ) <0x0A> </s> ▁See ▁also ▁Earl ▁of ▁Win ch il se a ▁ ▁Earl ▁of ▁Not ting ham ▁is ▁a ▁title ▁that ▁has ▁been ▁created ▁seven ▁times ▁in ▁the ▁Pe er age ▁of ▁England . ▁It ▁was ▁first ▁created ▁for ▁John ▁de ▁M ow b ray ▁in ▁ 1 3 7 7 , ▁at ▁the ▁coron ation ▁of ▁Richard ▁II . ▁As ▁this ▁creation ▁could ▁only ▁pass ▁to ▁his ▁legit imate ▁he irs , ▁it ▁went ▁ext inct ▁on ▁his ▁death ▁in ▁ 1 3 8 3 . ▁It ▁was ▁re - created ▁for ▁his ▁elder ▁brother ▁Thomas ▁de ▁M ow b ray ▁in