▁mountains ). ▁ ▁Before ▁ 2 0 1 7 , ▁the ▁municipality ▁was ▁located ▁in ▁the ▁Sch ams ▁sub - d istrict , ▁of ▁the ▁Hinter r hein ▁district , ▁after ▁ 2 0 1 7 ▁it ▁was ▁part ▁of ▁the ▁V iam ala ▁Region . ▁ ▁In ▁ 1 8 7 5 , ▁the ▁municipality ▁expanded ▁with ▁the ▁un ification ▁of ▁the ▁previously ▁independent ▁municipal ities ▁of ▁Re ischen ▁and ▁Z ill is . ▁ ▁Dem ograph ics ▁ ▁Z ill is - Re ischen ▁has ▁a ▁population ▁( as ▁of ▁) ▁of ▁. ▁ ▁, ▁ 6 . 8 % ▁of ▁the ▁population ▁was ▁made ▁up ▁of ▁foreign ▁national s . ▁ ▁Over ▁the ▁last ▁ 1 0 ▁years ▁the ▁population ▁has ▁grown ▁at ▁a ▁rate ▁of ▁ 6 . 7 %. ▁ ▁, ▁the ▁gender ▁distribution ▁of ▁the ▁population ▁was ▁ 5 2 . 6 % ▁male ▁and ▁ 4 7 . 4 % ▁female . ▁ ▁The ▁age ▁distribution , ▁, ▁in ▁Z ill is - Re ischen ▁is ; ▁ 4 6 ▁people ▁or ▁ 1 3 . 9 % ▁of ▁the ▁population ▁are ▁between ▁ 0 ▁and ▁ 9 ▁years ▁old . ▁▁ 2 3 ▁people ▁or ▁ 7 . 0 % ▁are ▁ 1 0 ▁to ▁ 1 4 , ▁and ▁ 1 5 ▁people ▁or ▁ 4 . 5 % ▁are ▁ 1 5 ▁to ▁ 1 9 . ▁ ▁Of ▁the ▁adult ▁population , ▁ 2 3 ▁people ▁or ▁ 7 . 0 %