▁third ▁with ▁ 1 1 8 , 1 4 2 ▁ad her ents . ▁ 3 3 7 , 3 4 8 ▁residents ▁remained ▁un c laimed . ▁ ▁Also ▁in ▁ 2 0 1 0 , ▁the ▁Catholic ▁Church ▁was ▁the ▁largest ▁church ▁in ▁South ▁Dak ota , ▁with ▁ 1 4 8 , 8 8 3 ▁members . ▁The ▁Evangel ical ▁Luther an ▁Church ▁in ▁America ▁had ▁ 1 1 2 , 6 4 9 ▁follow ers . ▁The ▁United ▁Method ist ▁Church ▁had ▁ 3 6 , 0 2 0 ▁members . ▁ ▁According ▁to ▁a ▁ 2 0 0 1 ▁survey , ▁ 8 6 % ▁of ▁South ▁Dak ot ans ▁described ▁themselves ▁as ▁being ▁members ▁of ▁a ▁ ▁Christian ▁den om ination , ▁while ▁ 8 % ▁said ▁that ▁they ▁were ▁not ▁religious ▁and ▁ 3 % ▁claimed ▁faith ▁in ▁a ▁non - Christ ian ▁religion . ▁The ▁largest ▁Christian ▁den om ination ▁was ▁Luther an ▁( 2 7 % ), ▁followed ▁closely ▁by ▁Roman ▁Catholic ▁at ▁ 2 5 %. ▁Other ▁Christian ▁denomin ations ▁mentioned ▁included ▁Method ist ▁( 1 3 % ), ▁Bapt ist ▁( 4 % ), ▁Pres by ter ian ▁( 4 % ), ▁Pent ec ost al ▁( 2 % ), ▁Cong reg ational ▁( 2 % ), ▁Epis cop al / Ang lic an ▁( 1 % ), ▁and ▁Se vent h - day ▁Advent ist ▁( 1 %). ▁ 7 % ▁respond ed ▁either ▁as ▁a ▁non - den omin ational