Le Blanc-Mesnil is a French commune located in the department of Seine-Saint-Denis , in the region Île-de-France , seven kilometers of boulevards of the Marshals and peripheral northeast of Paris . Its inhabitants are called: Les Blanc-Mesnilois and Blanc-Mesniloises . Country France Region Île-de-France Department Seine-Saint-Denis Canton Le Blanc-Mesnil Government  Mayor (2020–2026) Thierry Meignen Area1 8.05 km2 (3.11 sq mi) Population (2017-01-01) 56,783 Time zone UTC+01:00 (CET)  Summer (DST) UTC+02:00 (CEST) Geography  Location  Located in the southern part of the plain of […]