In the 2021 Census of Population conducted by Statistics Canada, River Hebert had a population of 468 living in 216 of its 245 total private dwellings, a change of  from its 2016 population of 453.
According to the 2021 Census of Population conducted by Statistics Canada, River Hebert's population was 468 in 216 of its 245 total private dwellings, a change from its 2016 population of 453.