Barnesville is a city in Clay County, Minnesota, United States.

[3] Barnesville Potato Days is held annually in August.

There were 1,095 housing units at an average density of 497.7 per square mile (192.2/km2).

27.5% of all households were made up of individuals, and 14% had someone living alone who was 65 years of age or older.

There were 923 housing units at an average density of 438.7 per square mile (169.4/km2).

31.2% of all households were made up of individuals, and 17.9% had someone living alone who was 65 years of age or older.

Barnesville Potato Days is held annually in August, and draws approximately 14,000 people each year.

The festival includes potato-picking and peeling contests, and food booths serving a variety of potato dishes and preparations.