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The first permanent settlers arrived in 1860. The settlement, originally called Duchesnay after senator Édouard-Louis-Antoine-Charles Juchereau Duchesnay (1809-1886), gained a post office in 1879 and grew to 200 persons by 1888. In 1898, the Parish of Saint-Évagre was founded.
In 1923, the place was incorporated as Municipality of Duchesnay. In 1968, the municipality was renamed to Rivière-à-Claude after the Claude River that has its source near the municipality's inland boundary. This river may be named in honour of a pioneer named Joseph Glaude, but there is no certainty since various spellings have existed over time.
Demographics
In the 2021 Census of Population conducted by Statistics Canada, Rivière-à-Claude had a population of 141 living in 76 of its 113 total private dwellings, a change of 10.2% from its 2016 population of 128. With a land area of 155.95 km (60.21 sq mi), it had a population density of 0.9/km (2.3/sq mi) in 2021.
Canada census – Rivière-à-Claude, Quebec community profile
"1971 Census of Canada - Population Census Subdivisions (Historical)". Catalogue 92-702 Vol I, part 1 (Bulletin 1.1-2). Statistics Canada: 76, 139. July 1973.