Union township
- County:
- Johnson County
- County Seat:
- No
- Area (mi²):
- 36.151
- State:
- Indiana
Union township is located in Johnson County, Indiana. Union township has a 2026 population of 2,975. Union township is currently growing at a rate of 0.54% annually and its population has increased by 5.16% since the most recent census, which recorded a population of 2,829 in 2020.
The median household income in Union township is $108,889 with a poverty rate of 8.03%. The median age in Union township is 36.6 years: 34.3 years for males, and 44.5 years for females. For every 100 females there are 116.6 males.