Ila is a city in Madison County, Georgia, United States. The population was 350 at the 2020 census. Ila was first settled in the mid-1800s by farm…Ila is a city in Madison County, Georgia, United States. The population was 350 at the 2020 census. Ila was first settled in the mid-1800s by farmers from North Carolina and Virginia. The community became an agricultural one and growing corn, cotton, soybeans, wheat, and other crops.