
Shannon City
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.412
- State:
- Iowa
Shannon City is a city located in Union County, Iowa. Shannon City has a 2025 population of 71. Shannon City is currently declining at a rate of 0% annually and its population has decreased by -2.74% since the most recent census, which recorded a population of 73 in 2020.
The average household income in Shannon City is $75,313 with a poverty rate of 0.88%. The median age in Shannon City is 30.4 years: 16 years for males, and 30.6 years for females.