Arnoldsville is a city in Oglethorpe County, Georgia, United States.

According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.4 km2), all land.

As of the census[2] of 2000, there were 312 people, 125 households, and 88 families residing in the city.

There were 136 housing units at an average density of 80.9 per square mile (31.2/km2).

28.0% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.