St. Marys Flag

St. Marys

County Seat:
No
Area (mi²):
1.178
State:
Kansas

St. Marys is a city located in Pottawatomie County, Kansas. St. Marys has a 2026 population of 2,784. St. Marys is currently growing at a rate of 0.51% annually and its population has increased by 0.83% since the most recent census, which recorded a population of 2,761 in 2020.

2.8K
Total Population
2,362
Density (mi²)
14 0.51%
Growth