Yellowhead County is a municipal district in west central Alberta, Canada. It is the only municipal district within Alberta census division No. 14. In the 2021 Census of Population conducted by Statistics Canada, Yellowhead County had a population of 10,426 living in 4,160 of its 4,859 total private dwellings, a change of -5.2% from its 2016 population of 10,995. Wit…Yellowhead County is a municipal district in west central Alberta, Canada. It is the only municipal district within Alberta census division No. 14. In the 2021 Census of Population conducted by Statistics Canada, Yellowhead County had a population of 10,426 living in 4,160 of its 4,859 total private dwellings, a change of -5.2% from its 2016 population of 10,995. With a land area of 22,238.56 km², it had a population density of 0.5/km² in 2021.