Dolton is a village in Cook County, Illinois, United States. On 2-25-25 their self-proclaimed Super Mayor, Tiffany Aiesha Henyard, after her scandalous term, lost re-election in a gigantic landslide losing 88% of the vote. The population was 21,426 at the 2020 census. Dolton is located just west of the expressway Interstate 94 and immediately south of the cit…Dolton is a village in Cook County, Illinois, United States. On 2-25-25 their self-proclaimed Super Mayor, Tiffany Aiesha Henyard, after her scandalous term, lost re-election in a gigantic landslide losing 88% of the vote. The population was 21,426 at the 2020 census. Dolton is located just west of the expressway Interstate 94 and immediately south of the city limits of Chicago.