Mignon is a census-designated place in Talladega County, Alabama, United States. At the 2020 census, the population was 1,186. Mignon initially became an incorporated town around 1915, but either disincorporated or lost its charter in the 1930s and did not show on the 1940 U.S. Census. Because it still was a sizeable community of 3,00…Mignon is a census-designated place in Talladega County, Alabama, United States. At the 2020 census, the population was 1,186. Mignon initially became an incorporated town around 1915, but either disincorporated or lost its charter in the 1930s and did not show on the 1940 U.S. Census. Because it still was a sizeable community of 3,000 residents, it was listed on the 1950 through 1970 census rolls as an unincorporated community. Beginning in 1980, it received the new status of census-designated place.