Leonidas
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 1.326
- State:
- Minnesota
Leonidas is a city located in St. Louis County, Minnesota. Leonidas has a 2026 population of 51. Leonidas is currently declining at a rate of 0% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 52 in 2020.
The median age in Leonidas is 44.9 years: 44.1 years for males, and 65 years for females. For every 100 females there are 85.0 males.