2 2 , 3 3 8 . ▁About ▁ 6 . 1 % ▁of ▁families ▁and ▁ 1 0 . 7 % ▁of ▁the ▁population ▁were ▁below ▁the ▁pover ty ▁line , ▁including ▁ 2 0 . 8 % ▁of ▁those ▁under ▁age ▁ 1 8 ▁and ▁ 1 3 . 0 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁Religion ▁In ▁the ▁ 2 0 1 0 ▁census , ▁the ▁largest ▁den om ination ▁was ▁the ▁Evangel ical ▁Luther an ▁Church ▁in ▁America ▁with ▁ 2 8 6 ▁ad her ents , ▁followed ▁by ▁the ▁Catholic ▁church ▁with ▁ 1 9 1 ▁members , ▁the ▁third ▁was ▁the ▁Pres by ter ian ▁Church ▁in ▁America ▁with ▁ 1 8 6 ▁follow ers . ▁The ▁Re formed ▁Church ▁in ▁the ▁United ▁States , ▁the ▁Wisconsin ▁Evangel ical ▁Luther an ▁Syn od , ▁and ▁the ▁North ▁American ▁Bapt ist ▁Conference ▁were ▁also ▁represented ▁with ▁less er ▁numbers . ▁Campbell ▁County ▁has ▁the ▁highest ▁percentage ▁of ▁Pres by ter ians ▁in ▁the ▁United ▁States . ▁ ▁Commun ities ▁ ▁City ▁Her re id ▁ ▁Town s ▁Art as ▁M ound ▁City ▁( count y ▁seat ) ▁Pol lock ▁ ▁Un in cor por ated ▁communities ▁ ▁North ▁Campbell ▁ ▁South ▁Campbell ▁ ▁Polit ics ▁With ▁its ▁rural ▁German - American ▁her itage , ▁Campbell ▁is ▁an ▁over wh el ming ly ▁Republican ▁county . ▁It ▁has ▁only ▁once ▁been ▁carried ▁by ▁a ▁Democratic ▁President ial ▁candidate , ▁during ▁Franklin ▁D . ▁Ro