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 2026 population of 243. Deep River is currently declining at a rate of 0% annually and its population has decreased by -1.62% since the most recent census, which recorded a population of 247 in 2020.
The median household income in Deep River is $83,125 with a poverty rate of 3.58%. The median age in Deep River is 34.6 years: 34.5 years for males, and 34.7 years for females. For every 100 females there are 105.5 males.