
Spring Grove
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.304
- State:
- Indiana
Spring Grove is a town located in Union County, Indiana. Spring Grove has a 2025 population of 329. Spring Grove is currently declining at a rate of -0.3% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 333 in 2020.
The average household income in Spring Grove is $70,652 with a poverty rate of 22.43%. The median age in Spring Grove is 42.5 years: 46.2 years for males, and 35 years for females.