. "Federal riding"@en . . "Prov. riding"@en . . . "252.1"^^ . "\u22125" . "\u22124" . "4.66e+07"^^ . . . "J6R" . . "1855-07-01Z"^^ . "11584"^^ . "450 and 579" . "Mayor"@en . . "Mercier is a town in southwestern Quebec, Canada in the Regional County Municipality Roussillon. It is located on the Ch\u00E2teauguay River, southwest of Montreal. The population as of the Canada 2011 Census was 11,584."@en . . "Mercier"@en . "4.595e+07"^^ .