Fairdale is a city in Walsh County, North Dakota, United States.

According to the United States Census Bureau, the city has a total area of 0.31 square miles (0.80 km2), all land.

There were 33 housing units at an average density of 106.5 per square mile (41.1/km2).

36.8% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.

42.3% of all households were made up of individuals, and 23.1% had someone living alone who was 65 years of age or older.

There were no families and 24.1% of the population living below the poverty line, including no under eighteens and 31.8% of those over 64.