ans ▁belonged ▁to ▁more ▁than ▁one ▁race . ▁ ▁In ▁ 2 0 1 1 , ▁ 2 5 . 4 % ▁of ▁children ▁less ▁than ▁one ▁year ▁old ▁were ▁minor ities . ▁ ▁From ▁ 2 0 0 7 ▁to ▁ 2 0 1 1 , ▁the ▁American ▁Community ▁Survey ▁estimated ▁that ▁ 4 2 . 8 % ▁( 3 4 5 , 9 5 1 ) ▁of ▁South ▁Dak ot ans ▁were ▁of ▁German ▁ancest ry , ▁ 1 4 . 7 % ▁( 1 1 8 , 6 0 3 ) ▁were ▁Norwegian , ▁ 1 1 . 1 % ▁( 8 9 , 9 1 2 ) ▁were ▁Irish , ▁ 6 . 9 % ▁( 5 5 , 4 2 5 ) ▁were ▁English , ▁and ▁ 4 . 9 % ▁( 3 9 , 4 2 0 ) ▁were ▁Dutch . ▁ ▁In ▁the ▁ 2 0 0 0 ▁census , ▁the ▁five ▁largest ▁ancest ry ▁groups ▁in ▁South ▁Dak ota ▁were : ▁German ▁( 4 0 . 7 % ), ▁Norwegian ▁( 1 5 . 3 % ), ▁Irish ▁( 1 0 . 4 % ), ▁Native ▁American ▁( 8 . 3 % ), ▁and ▁English ▁( 7 . 1 %). ▁German - Amer icans ▁are ▁the ▁largest ▁ancest ry ▁group ▁in ▁most ▁parts ▁of ▁the ▁state , ▁especially ▁in ▁the ▁east , ▁although ▁there ▁are ▁also ▁large ▁Sc and in av ian ▁populations ▁in ▁some ▁count ies . ▁ ▁South ▁Dak ota ▁has ▁the ▁nation