On Friday, I posted that the LAC had released the 1842 Census of Canada East (Quebec) and Canada West (Ontario), but I did not say that only certain areas (districts and sub-districts) were enumerated.
The following districts are available in Canada West -
1842 Census for Canada West: Districts and Sub-districts is at www.bac-lac.gc.ca/eng/census/1842-canada-west/Pages/census-districts-sub-districts.aspx
The following areas are complete in Canada East -
1842 Census for Canada East Districts and Sub-districts is at www.bac-lac.gc.ca/eng/census/1842-canada-east/Pages/census-districts-sub-districts.aspx