Henning is a city in Otter Tail County, Minnesota, United States.

There were 438 housing units at an average density of 131.1 per square mile (50.6/km2).

47.0% of all households were made up of individuals, and 32.1% had someone living alone who was 65 years of age or older.

There were 406 housing units at an average density of 131.2 per square mile (50.7/km2).

The racial makeup of the city was 98.19% White, 0.42% Native American and 1.39% Asian.

48.1% of all households were made up of individuals, and 33.6% had someone living alone who was 65 years of age or older.