St. Charles Flag

St. Charles

County:
Madison County
County Seat:
No
Area (mi²):
0.621
State:
Iowa

St. Charles is a city located in Madison County, Iowa. St. Charles has a 2026 population of 648. St. Charles is currently growing at a rate of 0.93% annually and its population has increased by 0.31% since the most recent census, which recorded a population of 646 in 2020.

648
Total Population
1,043
Density (mi²)
6 0.93%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)