al ▁range , ▁Cor v all is ▁can ▁experience ▁slightly ▁cool er ▁temper atures , ▁particularly ▁in ▁the ▁hills , ▁than ▁the ▁rest ▁of ▁the ▁Will am ette ▁Valley . ▁The ▁average ▁annual ▁low ▁temperature ▁is ▁ 4   ° F ▁less ▁than ▁that ▁of ▁Port land ▁just ▁ ▁to ▁the ▁north . ▁Despite ▁this , ▁temper atures ▁dro pping ▁far ▁below ▁free zing ▁are ▁still ▁a ▁rare ▁event . ▁ ▁Dem ograph ics ▁ ▁Cor v all is ▁is ▁the ▁largest ▁principal ▁city ▁of ▁the ▁Alb any - Cor v all is - L eb anon ▁C SA , ▁a ▁Com b ined ▁Statist ical ▁Area ▁that ▁includes ▁the ▁Cor v all is ▁metropol itan ▁area ▁( B ent on ▁County ) ▁and ▁the ▁Alb any - L eb anon ▁mic ropol itan ▁area ▁( L inn ▁County ), ▁which ▁had ▁a ▁combined ▁population ▁of ▁ 2 0 2 , 2 5 1 ▁at ▁the ▁ 2 0 1 0 ▁U . S . ▁Census . ▁ ▁As ▁of ▁the ▁ 2 0 0 0 ▁U . S . ▁Census ▁the ▁median ▁income ▁for ▁a ▁household ▁in ▁the ▁city ▁was ▁$ 3 5 , 4 3 7 , ▁and ▁the ▁median ▁income ▁for ▁a ▁family ▁was ▁$ 5 3 , 2 0 8 . ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 4 0 , 7 7 0 ▁versus ▁$ 2 9 , 3 9 0 ▁for ▁females . ▁The ▁per ▁cap ita ▁income ▁for ▁the ▁city ▁was ▁$ 1 9 ,