Madison County is a county located in the northeastern part of the U.S. state of Georgia. As of the 2020 census, the population was 30,120. The county seat is Danielsville. The county was created on December 5, 1811. The county's largest city is Comer with a population of 1,200.

Danielsville is a city in Madison County, Georgia, United States. The population was 654 at the 2020 census, up from 560 in 2010. The city is the county seat of Madison County.