Milton is a city in Fulton County, Georgia, United States. Incorporated on December 1, 2006, it was created out of the entire unincorporated northwestern part of northern Fulton County. It is a highly affluent community with an average household income within the zip code 30004 of $99,412. According to the 2010 Census, Milton's population is 32,661.Milton is named in honor of the former Milton County, which was named after Revolutionary War Hero John Milton (Georgia politician).