St. Charles
- County:
- Arkansas County
- County Seat:
- No
- Area (mi²):
- 0.887
- State:
- Arkansas
St. Charles is a town located in Arkansas County, Arkansas. St. Charles has a 2026 population of 191. St. Charles is currently declining at a rate of -1.55% annually and its population has decreased by -6.37% since the most recent census, which recorded a population of 204 in 2020.
The median household income in St. Charles is $73,750 with a poverty rate of 7.2%. The median age in St. Charles is 45.2 years: 32.3 years for males, and 46 years for females. For every 100 females there are 160.4 males.