
Columbus City
- County:
- Louisa County
- County Seat:
- No
- Area (mi²):
- 0.24
- State:
- Iowa
Columbus City is a city located in Louisa County, Iowa. Columbus City has a 2025 population of 372. Columbus City is currently declining at a rate of -0.8% annually and its population has decreased by -3.63% since the most recent census, which recorded a population of 386 in 2020.
The average household income in Columbus City is $88,834 with a poverty rate of 4.9%. The median age in Columbus City is 51.5 years: 55 years for males, and 43.6 years for females.