
Marrs township
- County:
- Posey County
- County Seat:
- No
- Area (mi²):
- 51.471
- State:
- Indiana
Marrs township is located in Posey County, Indiana. Marrs township has a 2025 population of 5,369. Marrs township is currently declining at a rate of -0.13% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 5,390 in 2020.
The average household income in Marrs township is $122,848 with a poverty rate of 8.78%. The median age in Marrs township is 40.4 years: 40.1 years for males, and 40.4 years for females.