Sageville
- County:
- Dubuque County
- County Seat:
- No
- Area (mi²):
- 0.842
- State:
- Iowa
Sageville is a city located in Dubuque County, Iowa. Sageville has a 2026 population of 104. Sageville is currently declining at a rate of 0% annually and its population has decreased by -2.8% since the most recent census, which recorded a population of 107 in 2020.
The median household income in Sageville is $60,625 with a poverty rate of 28.41%. The median age in Sageville is 51.5 years: 52.3 years for males, and 50.9 years for females. For every 100 females there are 100.0 males.