
Reinbeck
- County:
- Grundy County
- County Seat:
- No
- Area (mi²):
- 2.17
- State:
- Iowa
Reinbeck is a city located in Grundy County, Iowa. Reinbeck has a 2025 population of 1,665. Reinbeck is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 1,665 in 2020.
The average household income in Reinbeck is $93,907 with a poverty rate of 4.79%. The median age in Reinbeck is 40.4 years: 39.4 years for males, and 42.4 years for females.