Pine River is a city in Cass County, Minnesota, United States.

Although, there are many county roads interconnecting Pine River to the surrounding communities.

Pine River is located 30 miles north-northwest of Brainerd along Highway 371.

There were 457 housing units at an average density of 394.0 per square mile (152.1/km2).

47.7% of all households were made up of individuals, and 27.6% had someone living alone who was 65 years of age or older.

There were 464 housing units at an average density of 417.3 per square mile (161.1/km2).

48.9% of all households were made up of individuals, and 35.6% had someone living alone who was 65 years of age or older.