
Deep River
- County:
- Poweshiek County
- County Seat:
- No
- Area (mi²):
- 0.437
- State:
- Iowa
Deep River is a city located in Poweshiek County, Iowa. Deep River has a 2025 population of 247. Deep River is currently declining at a rate of -0.4% annually and its population has decreased by -1.59% since the most recent census, which recorded a population of 251 in 2020.
The average household income in Deep River is $98,227 with a poverty rate of 9.21%. The median age in Deep River is 35.4 years: 38 years for males, and 34.1 years for females.