
Jefferson township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 48.101
- State:
- Indiana
Jefferson township is located in Washington County, Indiana. Jefferson township has a 2025 population of 879. Jefferson township is currently growing at a rate of 0.8% annually and its population has increased by 3.29% since the most recent census, which recorded a population of 851 in 2020.
The average household income in Jefferson township is $57,037 with a poverty rate of 15.44%. The median age in Jefferson township is 49.7 years: 49.8 years for males, and 49.6 years for females.