▁ ▁For ▁every ▁ 1 0 0 ▁females ▁age ▁ 1 8 ▁and ▁over , ▁there ▁were ▁ 1 4 2 . 4 ▁males . ▁ ▁There ▁were ▁ 2 , 6 8 3 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 1 , 0 0 5 . 6 ▁per ▁square ▁mile ▁( 3 8 8 . 3 / km ² ), ▁of ▁which ▁ 1 , 4 8 8 ▁( 5 7 . 3 %) ▁were ▁owner - occup ied , ▁and ▁ 1 , 1 1 1 ▁( 4 2 . 7 %) ▁were ▁occupied ▁by ▁rent ers . ▁The ▁home owner ▁vac ancy ▁rate ▁was ▁ 0 . 9 %; ▁the ▁r ental ▁vac ancy ▁rate ▁was ▁ 2 . 6 %. ▁ 6 , 5 1 9 ▁people ▁( 5 1 . 3 % ▁of ▁the ▁population ) ▁lived ▁in ▁owner - occup ied ▁housing ▁units ▁and ▁ 4 , 9 6 7 ▁people ▁( 3 9 . 1 %) ▁lived ▁in ▁r ental ▁housing ▁units . ▁▁ 2 0 0 0 ▁As ▁of ▁the ▁census ▁of ▁ 2 0 0 0 , ▁there ▁were ▁ 9 , 6 1 8 ▁people , ▁ 1 , 9 9 0 ▁households , ▁and ▁ 1 , 7 8 9 ▁families ▁res iding ▁in ▁the ▁city . ▁The ▁population ▁density ▁was ▁ 4 , 6 7 1 . 8 ▁people ▁per ▁square ▁mile ▁( 1 , 8 0 2 . 7 / km ²). ▁There ▁were ▁ 2 , 0 3