Belle Plaine is a city in Benton County, Iowa, United States.

Belle Plaine was founded in 1862 when it was certain the railroad would be extended to that point.

[4] Belle Plaine is located on both the historic Lincoln Highway and the cross country tracks of the Union Pacific Railroad.

[5] The Iowa River flows roughly southeastward, just south of the city airport.

There were 1,222 housing units at an average density of 384.4 per square mile (148.4/km2).

There were 1,258 housing units at an average density of 390.7 per square mile (150.9/km2).

34.5% of all households were made up of individuals, and 16.1% had someone living alone who was 65 years of age or older.

There were 1,318 housing units at an average density of 407.9 per square mile (157.5/km2).

33.9% of all households were made up of individuals, and 20.6% had someone living alone who was 65 years of age or older.

The current mayor of Belle Plaine is Lyle Morrow.

Longfellow Elementary school provides pre-K through 6th grade education.

[11] Like most other towns in Iowa, Belle Plaine has a Dfa (hot-summer humid continental climate).

The railroad provides east to west freight service to the city.

The city airport is located on the south side of the town.