Danielsville is a city in Madison County, Georgia, United States. The population was 457 at the 2000 census. The city is the county seat of Madison County. Surgeon Crawford Long was born in Danielsville in 1815.
Danielsville is located at 34°7′27″N 83°12′59″W / 34.12417°N 83.21639°W / 34.12417; -83.21639 (34.124244, -83.216496).
According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.9 km²), of which, 1.1 square miles (2.9 km²) of it is land and 0.89% is water.