Augusta Flag

Augusta

County Seat:
No
Area (mi²):
1.03
State:
Missouri

Augusta is a town located in St. Charles County, Missouri. Augusta has a 2026 population of 268. Augusta is currently growing at a rate of 0.37% annually but its population has decreased by -1.11% since the most recent census, which recorded a population of 271 in 2020.

268
Total Population
260
Density (mi²)
1 0.37%
Growth