Reinbeck is a city in Grundy County, Iowa, United States.

[2] It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area and is in the Cedar Valley.

According to the United States Census Bureau, the city has a total area of 1.82 square miles (4.71 km2), all land.

[4] Reinbeck is host to a golf course, various sports fields, a bike trail and hunting range, and a swimming pool.

The pool features a zero depth entry zone, a high board and a low board, a water slide, in addition to changing rooms and a concession stand.

There were 796 housing units at an average density of 366.8 per square mile (141.6/km2).

32.0% of all households were made up of individuals, and 18.7% had someone living alone who was 65 years of age or older.

29.9% of all households were made up of individuals, and 17.8% had someone living alone who was 65 years of age or older.

[10] The city was served by the Reinbeck Community School District until it consolidated on July 1, 1988.