. ▁His pan ic ▁or ▁Lat ino ▁of ▁any ▁race ▁were ▁ 6 . 2 3 % ▁of ▁the ▁population . ▁ ▁An c est ries ▁were : ▁German ▁( 2 5 . 6 % ), ▁Polish ▁( 1 9 . 4 % ), ▁Irish ▁( 1 7 . 1 % ), ▁Italian ▁( 1 4 . 7 % ), ▁English ▁( 6 . 8 % ), ▁Swedish ▁( 4 . 6 %). ▁ ▁There ▁were ▁ 1 3 , 2 7 8 ▁households ▁of ▁which ▁ 3 3 . 5 % ▁had ▁children ▁under ▁the ▁age ▁of ▁ 1 8 ▁living ▁with ▁them , ▁ 5 8 . 4 % ▁were ▁married ▁cou ples ▁living ▁together , ▁ 8 . 6 % ▁had ▁a ▁female ▁house holder ▁with ▁no ▁husband ▁present , ▁and ▁ 3 0 . 0 % ▁were ▁non - famil ies . ▁ 2 5 . 6 % ▁of ▁all ▁households ▁were ▁made ▁up ▁of ▁individuals ▁and ▁ 8 . 6 % ▁had ▁someone ▁living ▁alone ▁who ▁was ▁ 6 5 ▁years ▁of ▁age ▁or ▁older . ▁The ▁average ▁household ▁size ▁was ▁ 2 . 6 0 ▁and ▁the ▁average ▁family ▁size ▁was ▁ 3 . 1 7 . ▁▁ 2 4 . 9 % ▁of ▁the ▁population ▁were ▁under ▁the ▁age ▁of ▁ 1 8 , ▁ 7 . 4 % ▁from ▁ 1 8 ▁to ▁ 2 4 , ▁ 3 1 . 8 % ▁from ▁ 2 5 ▁to ▁ 4 4 , ▁ 2 4