
Union township
- County:
- Madison County
- County Seat:
- No
- Area (mi²):
- 19.807
- State:
- Indiana
Union township is located in Madison County, Indiana. Union township has a 2025 population of 9,085. Union township is currently growing at a rate of 0.53% annually and its population has increased by 2.17% since the most recent census, which recorded a population of 8,892 in 2020.
The average household income in Union township is $82,030 with a poverty rate of 5.54%. The median age in Union township is 47.8 years: 44.9 years for males, and 51.5 years for females.