▁of ▁the ▁Al leg hen y ▁River ▁waters hed . ▁ ▁Dem ograph ics ▁ ▁As ▁of ▁the ▁census ▁of ▁ 2 0 0 0 , ▁there ▁were ▁ 1 , 9 3 1 ▁people , ▁ 7 4 2 ▁households , ▁and ▁ 5 6 7 ▁families ▁res iding ▁in ▁the ▁town ship . ▁The ▁population ▁density ▁was ▁ 4 0 . 6 ▁people ▁per ▁square ▁mile ▁( 1 5 . 7 / km ²). ▁There ▁were ▁ 8 2 3 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 1 7 . 3 / sq   mi ▁( 6 . 7 / km ²). ▁The ▁ra cial ▁make up ▁of ▁the ▁town ship ▁was ▁ 9 8 . 7 1 % ▁White , ▁ 0 . 3 1 % ▁African ▁American , ▁ 0 . 1 0 % ▁Asian , ▁ 0 . 0 5 % ▁Pacific ▁Island er , ▁and ▁ 0 . 8 3 % ▁from ▁two ▁or ▁more ▁races . ▁His pan ic ▁or ▁Lat ino ▁of ▁any ▁race ▁were ▁ 0 . 4 7 % ▁of ▁the ▁population . ▁ ▁There ▁were ▁ 7 4 2 ▁households , ▁out ▁of ▁which ▁ 3 1 . 7 % ▁had ▁children ▁under ▁the ▁age ▁of ▁ 1 8 ▁living ▁with ▁them , ▁ 6 8 . 5 % ▁were ▁married ▁cou ples ▁living ▁together , ▁ 5 . 4 % ▁had ▁a ▁female ▁house holder ▁with ▁no ▁husband ▁present , ▁and ▁ 2 3 . 5 % ▁were ▁non -