Saint-Césaire (French pronunciation: [sɛ̃ sezɛʁ]) is a city in the Canadian province of Quebec, located within the Rouville Regional County Municipality in the province's Montérégie region.

The population as of the Canada 2011 Census was 5,686.

In the 2021 Census of Population conducted by Statistics Canada, Saint-Césaire had a population of 5,972 living in 2,548 of its 2,641 total private dwellings, a change of 1.6% from its 2016 population of 5,877.

[5] Population trend:[6] (+) Amalgamation of the merger of the City and the Parish of Saint-Césaire on January 26, 2000.

Mother tongue language (2006)[7]