St. Charles Flag

St. Charles

County Seat:
No
Area (mi²):
0.733
State:
Idaho

St. Charles is a city located in Bear Lake County, Idaho. St. Charles has a 2026 population of 185. St. Charles is currently declining at a rate of -0.54% annually but its population has increased by 13.5% since the most recent census, which recorded a population of 163 in 2020.

185
Total Population
252
Density (mi²)
-1 -0.54%
Growth