1 . 4 % ▁were ▁non - H is pan ic . ▁In ▁addition , ▁His pan ics ▁and ▁Lat inos ▁made ▁up ▁ 2 9 . 0 % ▁of ▁Arizona ' s ▁population . ▁ ▁The ▁state ▁has ▁the ▁third ▁highest ▁number ▁( and ▁the ▁sixth ▁highest ▁percentage ) ▁of ▁Native ▁Americans ▁of ▁any ▁state ▁in ▁the ▁Union . ▁ 2 8 6 , 6 8 0 ▁were ▁estimated ▁to ▁live ▁in ▁Arizona , ▁representing ▁more ▁than ▁ 1 0 % ▁of ▁the ▁country ' s ▁total ▁Native ▁American ▁population ▁of ▁ 2 , 7 5 2 , 1 5 8 . ▁Only ▁California ▁and ▁Oklahoma ▁have ▁more ▁Native ▁Americans . ▁The ▁per im eters ▁of ▁Phoenix , ▁T uc son , ▁Pres c ott , ▁Flag st aff ▁and ▁Y uma ▁border ▁on ▁Native ▁American ▁res erv ations . ▁ ▁The ▁largest ▁ancest ry ▁groups ▁in ▁Arizona ▁are ▁Mexican ▁( 2 5 . 8 % ), ▁German ▁( 1 6 . 5 % ), ▁English ▁( 1 0 . 3 % ), ▁Irish ▁( 1 0 . 9 % ), ▁and ▁Native ▁American ▁( 4 . 5 %). ▁The ▁southern ▁and ▁central ▁parts ▁of ▁the ▁state ▁are ▁pre domin antly ▁Mexican ▁American , ▁especially ▁in ▁Santa ▁Cruz ▁County ▁and ▁Y uma ▁County ▁near ▁the ▁Mexican ▁border . ▁The ▁north - central ▁and ▁north western ▁count ies ▁are ▁largely ▁inhab ited ▁by ▁non - H is pan ic ▁White ▁Americans . ▁The ▁n ort he astern ▁part ▁of ▁Arizona ▁has ▁many ▁American