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 2026 population of 1,917. Jefferson township is currently growing at a rate of 0.26% annually but its population has decreased by -0.52% since the most recent census, which recorded a population of 1,927 in 2020.
The median household income in Jefferson township is $101,481 with a poverty rate of 1.98%. The median age in Jefferson township is 33.6 years: 35.6 years for males, and 33.3 years for females. For every 100 females there are 104.6 males.