In the 2016 Census of Population conducted by Statistics Canada, the County of St. Paul No. 19 recorded a population of 6,036 living in 2,334 of its 3,562 total private dwellings, a change from its 2011 population of 5,826.
In the 2011 Census, the County of St. Paul No. 19 had a population of 5,831 living in 2,207 of its 2,608 total dwellings, a -1.6% change from its 2006 population of 5,925.