▁north - s outh ▁through ▁the ▁middle ▁of ▁the ▁city ▁splitting ▁it . ▁ ▁According ▁to ▁the ▁United ▁States ▁Census ▁Bureau , ▁the ▁city ▁has ▁a ▁total ▁area ▁of ▁, ▁of ▁which , ▁ ▁is ▁land ▁and ▁ ▁is ▁water . ▁ ▁Transport ation ▁Berlin ▁is ▁served ▁by ▁Wisconsin ▁Highway ▁ 4 9 ▁and ▁Wisconsin ▁Highway ▁ 9 1 . ▁ ▁Dem ograph ics ▁▁ 2 0 1 0 ▁census ▁As ▁of ▁the ▁census ▁of ▁ 2 0 1 0 , ▁there ▁were ▁ 5 , 5 2 4 ▁people , ▁ 2 , 2 9 6 ▁households , ▁and ▁ 1 , 4 2 3 ▁families ▁res iding ▁in ▁the ▁city . ▁The ▁population ▁density ▁was ▁. ▁There ▁were ▁ 2 , 5 6 1 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁. ▁The ▁ra cial ▁make up ▁of ▁the ▁city ▁was ▁ 9 3 . 4 % ▁White , ▁ 0 . 5 % ▁African ▁American , ▁ 0 . 6 % ▁Native ▁American , ▁ 0 . 9 % ▁Asian , ▁ 3 . 6 % ▁from ▁other ▁races , ▁and ▁ 1 . 0 % ▁from ▁two ▁or ▁more ▁races . ▁His pan ic ▁or ▁Lat ino ▁of ▁any ▁race ▁were ▁ 8 . 0 % ▁of ▁the ▁population . ▁ ▁There ▁were ▁ 2 , 2 9 6 ▁households ▁of ▁which ▁ 3 1 . 3 % ▁had ▁children ▁under ▁the ▁age ▁of ▁ 1 8 ▁living ▁with ▁them , ▁ 4 4 . 4 % ▁were ▁married