Superior
- County:
- Dickinson County
- County Seat:
- No
- Area (mi²):
- 0.429
- State:
- Iowa
Superior is a city located in Dickinson County, Iowa. Superior has a 2026 population of 127. Superior is currently declining at a rate of 0% annually and its population has decreased by -4.51% since the most recent census, which recorded a population of 133 in 2020.
The median household income in Superior is $75,625 with a poverty rate of 3.67%. The median age in Superior is 48.1 years: 48.7 years for males, and 47.6 years for females. For every 100 females there are 109.4 males.