
St. Paul
- County:
- Decatur County
- County Seat:
- No
- Area (mi²):
- 0.293
- State:
- Indiana
St. Paul is a town located in Decatur County, Indiana. St. Paul has a 2025 population of 959. St. Paul is currently declining at a rate of 0% annually and its population has decreased by -0.21% since the most recent census, which recorded a population of 961 in 2020.
The average household income in St. Paul is $79,821 with a poverty rate of 5.58%. The median age in St. Paul is 33.2 years: 29.1 years for males, and 35.4 years for females.