At one point and for unknown reasons, the name was changed from the plural to the singular Champneuf.

[1] Private dwellings occupied by usual residents (2021): 48 (total dwellings: 54)[3] Mother tongue (2021):[3] Climate type is dominated by the winter season, a long, cold period with short, clear days, relatively little precipitation mostly in the form of snow, and low humidity.

Municipal council (as of 2023):[2] Provincially it is part of the riding of Abitibi-Ouest.

In the 2022 Quebec general election the incumbent MNA Suzanne Blais, of the Coalition Avenir Québec, was re-elected to represent the population of Champneuf in the National Assembly of Quebec.

In the 2021 Canadian federal election, the incumbent Sébastien Lemire of the Bloc Québécois was re-elected to represent the population Champneuf in the House of Commons of Canada.