
Jefferson township
- County:
- Kosciusko County
- County Seat:
- No
- Area (mi²):
- 31.466
- State:
- Indiana
Jefferson township is located in Kosciusko County, Indiana. Jefferson township has a 2025 population of 1,887. Jefferson township is currently declining at a rate of -0.68% annually and its population has decreased by -2.08% since the most recent census, which recorded a population of 1,927 in 2020.
The average household income in Jefferson township is $96,099 with a poverty rate of 10.34%. The median age in Jefferson township is 30.6 years: 33.4 years for males, and 30.4 years for females.