
St. Anthony
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 0.613
- State:
- Iowa
St. Anthony is a city located in Marshall County, Iowa. St. Anthony has a 2025 population of 76. St. Anthony is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 76 in 2020.
The average household income in St. Anthony is $105,305 with a poverty rate of 24.14%. The median age in St. Anthony is 37.4 years: 37.6 years for males, and 34.8 years for females.