St. Leo
- County:
- Lincoln County
- County Seat:
- No
- Area (mi²):
- 0.253
- State:
- Minnesota
St. Leo is a city located in Lincoln County, Minnesota. St. Leo has a 2026 population of 91. St. Leo is currently declining at a rate of -1.09% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 92 in 2020.
The median household income in St. Leo is $62,083 with a poverty rate of 18.3%. The median age in St. Leo is 55.8 years: 41.5 years for males, and 60.5 years for females. For every 100 females there are 104.0 males.