▁of ▁arms ▁The ▁bla zon ▁of ▁the ▁municipal ▁coat ▁of ▁arms ▁is ▁G ules ▁a ▁Hor se ▁tri pp ant ▁Argent ▁on ▁a ▁Base ▁Vert . ▁ ▁Dem ograph ics ▁L eng n au ▁has ▁a ▁population ▁() ▁of ▁▁ ▁, ▁ 4 4 . 3 % ▁of ▁the ▁population ▁are ▁foreign ▁national s . ▁ ▁Over ▁the ▁last ▁ 1 0 ▁years ▁( 1 9 9 7 – 2 0 0 7 ) ▁the ▁population ▁has ▁changed ▁at ▁a ▁rate ▁of ▁ 1 7 . 3 %. ▁ ▁Most ▁of ▁the ▁population ▁() ▁speak s ▁German ( 9 3 . 1 % ), ▁with ▁Alban ian ▁being ▁second ▁most ▁common ▁( ▁ 1 . 8 %) ▁and ▁Italian ▁being ▁third ▁( ▁ 1 . 2 %). ▁ ▁, ▁the ▁gender ▁distribution ▁of ▁the ▁population ▁was ▁ 4 9 . 3 % ▁male ▁and ▁ 5 0 . 7 % ▁female . ▁ ▁The ▁population ▁was ▁made ▁up ▁of ▁ 1 , 0 7 0 ▁Swiss ▁men ▁( 4 3 . 3 % ▁of ▁the ▁population ), ▁and ▁ 1 4 8 ▁( 6 . 0 %) ▁non - Sw iss ▁men . ▁ ▁There ▁were ▁ 1 , 1 0 6 ▁Swiss ▁women ▁( 4 4 . 8 % ), ▁and ▁ 1 4 6 ▁( 5 . 9 %) ▁non - Sw iss ▁women . ▁ ▁In ▁ ▁there ▁were ▁ 2 6 ▁live ▁birth s ▁to ▁Swiss ▁citizens ▁and ▁ 3 ▁birth s ▁to ▁non - Sw iss ▁citizens ,