Founded in 1255 byWalser emigrants fromVisperterminen in the now SwissValais, its population is traditionallyAlemannic German speaking. From 1871 on, when Rimella had a population of 1327, the number of inhabitants has dramatically diminished. As of 31 December 2004, it had a population of 129.[3]
Marco Bauen:Sprachgemischter Mundartausdruck in Rimella (Valsesia, Piemaont). Zur Syntax eines südwalserischen Dialekts im Spannungsfeld der italienischen Landes- und Kultursprache, Berne and Stuttgart 1978. – Translated into Italian in 1999 by Eugenio Vasina.
Paolo Sibilla:Una comunità Walser delle Alpi. Strutture tradizionali e processi culturali, Florence 1980.
Centro Studi Walser (Ed.):Ts Remmaljertittschu. Vocabolario Italiano – Tittschu, Turin 1995.Vocabolario Tittschu – Italiano, Borgosesia 2005.
Centro Studi Walser (Ed.):Storia di Rimella in Valsesia, Ravenna 2004.
Silke La Rose:Walser Recht ennetbirgen – Ein Beitrag zu Ursprung und Verlaufsbedingungen der Walserwanderung. Part II:Rimella und Alagna, in: Wir Walser 1 (2006) 7–17.
Atlante Toponomastico del Piemonte Montano Nr. 31:Rimella. Ed. by the Università degli Studi di Torino and the Region of Piedmont. Turin 2007.