Milner is a city in Lamar County, Georgia, United States. The population was 522 at the 2000 census.Milner is located at 33°6′47″N 84°11′42″W / 33.11306°N 84.19500°W / 33.11306; -84.19500.According to the United States Census Bureau, the city has a total area of 1.4 square miles, all land.As of the census of 2000, there were 522 people, 189 households, and 145 families residing in the city. The population density was 372.0 people per square mile. There were 201 housing units at an average density of 143.2 per square mile. The racial makeup of the city was 72.61% White, 26.44% African American, 0.19% Native American, 0.57% Asian, and 0.19% from two or more races.There were 189 households out of which 34.4% had children under the age of 18 living with them, 59.3% were married couples living together, 15.3% had a female householder with no husband present, and 22.8% were non-families. 21.2% of all households were made up of individuals and 7.