Donaldson is a city in Kittson County, Minnesota, United States.

[7] According to the United States Census Bureau, the city has a total area of 0.589 square miles (1.53 km2), all land.

There were 21 housing units at an average density of 25.3 per square mile (9.8/km2).

There were 22 housing units at an average density of 26.6 per square mile (10.3/km2).

38.9% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

There are 18.2% of families living below the poverty line and 7.7% of the population, including no under eighteens and none of those over 64.