▁Democratic ▁victory ▁margin ▁of ▁ 5 . 8 1 %. ▁The ▁result ▁being ▁closer ▁than ▁ 2 0 0 8 , ▁Rom ney ▁picked ▁up ▁wins ▁in ▁several ▁count ies ▁that ▁Ob ama ▁had ▁won ▁in ▁ 2 0 0 8 , ▁although ▁one ▁county ▁f li pped ▁in ▁the ▁opposite ▁direction , ▁with ▁Ob ama ▁narrow ly ▁winning ▁Wood bury ▁County ▁in ▁ 2 0 1 2 ▁after ▁narrow ly ▁losing ▁it ▁in ▁ 2 0 0 8 . ▁ ▁Democratic ▁c auc uses ▁ ▁On ▁January ▁ 3 , ▁ 2 0 1 2 , ▁the ▁Iowa ▁Democratic ▁Party ▁held ▁state wide ▁c auc uses ▁to ▁select ▁deleg ates ▁to ▁the ▁county ▁convent ions . ▁Inc umb ent ▁Bar ack ▁Ob ama ▁ran ▁uno pp osed . ▁However , ▁c au cus ▁go ers ▁also ▁had ▁the ▁option ▁of ▁voting ▁" un comm itted " ▁rather ▁than ▁supporting ▁Ob ama , ▁and ▁some ▁Occ up y ▁movement ▁and ▁anti - war ▁activ ists ▁ur ged ▁Democr ats ▁to ▁vote ▁" un comm itted " ▁in ▁protest ▁of ▁the ▁Ob ama ▁administration . ▁Of ▁the ▁ 8 , 1 5 2 ▁county ▁convention ▁deleg ates ▁that ▁were ▁elected ▁by ▁the ▁c auc uses , ▁ 8 , 0 6 5 ▁( 9 9 %) ▁were ▁for ▁Ob ama ▁and ▁ 8 7 ▁( 1 %) ▁were ▁un comm itted . ▁In ▁the ▁floor ▁vote ▁taken ▁at ▁the ▁Democratic ▁National ▁Convention , ▁ 6 2 ▁Iowa ▁state ▁deleg ates ▁voted ▁for ▁Ob ama