
Decker township
- County:
- Knox County
- County Seat:
- No
- Area (mi²):
- 44.338
- State:
- Indiana
Decker township is located in Knox County, Indiana. Decker township has a 2025 population of 217. Decker township is currently growing at a rate of 0.46% annually and its population has increased by 0.93% since the most recent census, which recorded a population of 215 in 2020.
The average household income in Decker township is $81,374 with a poverty rate of 20.7%. The median age in Decker township is 48.7 years: 48.7 years for males, and 54 years for females.