6 0 2 3 , ▁- 8 9 . 8 1 6 4 0 3 ). ▁ ▁According ▁to ▁the ▁ 2 0 1 0 ▁census , ▁G illes pie ▁has ▁a ▁total ▁area ▁of ▁, ▁all ▁land . ▁A ▁large ▁lake , ▁Lake ▁G illes pie , ▁is ▁just ▁outside ▁the ▁city ▁limits . ▁Many ▁people ▁from ▁surrounding ▁towns ▁enjoy ▁fish ing , ▁bo ating , ▁water - ski ing ▁and ▁sun b ath ing ▁there . ▁ ▁Dem ograph ics ▁ ▁As ▁of ▁the ▁census ▁of ▁ 2 0 0 0 , ▁there ▁were ▁ 3 , 4 1 2 ▁people , ▁ 1 , 4 5 2 ▁households , ▁and ▁ 9 3 6 ▁families ▁res iding ▁in ▁the ▁city . ▁The ▁population ▁density ▁was ▁ 2 , 3 4 9 . 3 ▁people ▁per ▁square ▁mile ▁( 9 0 8 . 5 / km ²). ▁There ▁were ▁ 1 , 5 4 7 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 1 , 0 6 5 . 1 ▁per ▁square ▁mile ▁( 4 1 1 . 9 / km ²). ▁The ▁ra cial ▁make up ▁of ▁the ▁city ▁was ▁ 9 8 . 5 6 % ▁White , ▁ 0 . 3 2 % ▁African ▁American , ▁ 0 . 2 1 % ▁Native ▁American , ▁ 0 . 1 2 % ▁Asian , ▁ 0 . 0 6 % ▁Pacific ▁Island er , ▁ 0 . 1 5 % ▁from ▁other ▁races , ▁and ▁ 0 . 5