▁in ▁the ▁mid - 1 9 5 0 s ▁it ▁pe aked ▁opening ▁up ▁to ▁all ▁family ▁types . ▁In ▁the ▁ 1 9 4 0 s ▁and ▁' 5 0 s ▁a ▁summer ▁camp ▁for ▁Jewish ▁children ▁( Sec or ▁Lake ▁Camp ) ▁operated ▁on ▁the ▁other ▁side ▁of ▁the ▁lake ▁from ▁the ▁b ung al ows . ▁In ▁the ▁ 1 9 7 0 s ▁Sec or ▁was ▁divided ▁half ▁and ▁half ▁between ▁the ▁people ▁that ▁res ided ▁there ▁and ▁the ▁city ▁folk ▁who ▁came ▁up ▁on ▁week ends . ▁Today ▁it ▁has ▁over ▁ 5 0 0 ▁families ▁living ▁on ▁the ▁ 2 6 ▁roads ▁that ▁enc lose ▁it . ▁ ▁Geography ▁Mah op ac ▁is ▁located ▁at ▁ ▁( 4 1 . 3 6 9 6 5 7 , ▁- 7 3 . 7 3 7 4 6 3 ). ▁ ▁According ▁to ▁the ▁United ▁States ▁Census ▁Bureau , ▁the ▁Mah op ac ▁CD P ▁has ▁a ▁total ▁area ▁of ▁, ▁of ▁which ▁ ▁is ▁land ▁and ▁, ▁or ▁ 1 7 . 5 7 %, ▁is ▁water . ▁ ▁While ▁the ▁ham let ▁of ▁Car mel ▁is ▁the ▁seat ▁of ▁the ▁county ▁government , ▁Mah op ac , ▁the ▁largest ▁population ▁center ▁in ▁the ▁town ▁of ▁Car mel , ▁hosts ▁the ▁Town ▁Hall . ▁ ▁Both ▁Mah op ac ▁( Z IP ▁code ▁ 1 0 5 4 1 ) ▁and ▁Mah op ac ▁F alls ▁( 1 0 5 4 2 ) ▁have ▁their ▁own ▁post ▁offices