Saint-Dominique-du-Rosaire (French pronunciation: [sɛ̃ dɔminik dy ʁozɛʁ]) is a municipality in the Canadian province of Quebec, located in the Abitibi Regional County Municipality. It is part of the census agglomeration of Amos.

In the 2021 Census of Population conducted by Statistics Canada, Saint-Dominique-du-Rosaire had a population of 434 living in 193 of its 205 total private dwellings, a change of -3.6% from its 2016 population of 450. With a land area of 479.89 km (185.29 sq mi), it had a population density of 0.9/km (2.3/sq mi) in 2021.

Historical census populations – Saint-Dominique-du-Rosaire

Year Pop. ±% 1981 533 —     1986 465 −12.8% 1991 479 +3.0% 1996 457 −4.6% 2001 476 +4.2%	Year Pop. ±% 2006 447 −6.1% 2011 434 −2.9% 2016 450 +3.7% 2021 434 −3.6%
Source: Statistics Canada

The municipality had a population of 434 in the 2021 Canadian Census. As of the 2021 census, mother tongues spoken are:

• English as first language: 0%
• French as first language: 100%
• English and French as first language: 0%
• Other as first language: 0%

Municipal council (as of Nov. 2023):

• Mayor: Christian Legault
• Councillors: Nicholas Paradis-Naud, Michelle St-Laurent, Christiane Vaillancourt, Gilles Audet, Pierrette Morin, Pascal Hétu

• Media related to Saint-Dominique-du-Rosaire at Wikimedia Commons
• Official website