Charles City
- County:
- Floyd County
- County Seat:
- Yes
- Area (mi²):
- 6.124
- State:
- Iowa
Charles City is a city located in Floyd County, Iowa. Charles City has a 2026 population of 7,081. It is also the county seat of Floyd County. Charles City is currently declining at a rate of -1.71% annually and its population has decreased by -4.06% since the most recent census, which recorded a population of 7,381 in 2020.