Zeigler is a city in Franklin County, Illinois, United States. The population was 1,484 at the 2020 census. In 1905, fifty men were killed in a coa…Zeigler is a city in Franklin County, Illinois, United States. The population was 1,484 at the 2020 census. In 1905, fifty men were killed in a coal mining accident in or near the town. Zeigler incorporated in 1914 and was named for Levi Zeigler Leiter, the father of Joseph Leiter, the founder of the Zeigler Coal Company.