Jefferson township
- County:
- Republic County
- County Seat:
- No
- Area (mi²):
- 36.548
- State:
- Kansas
Jefferson township is located in Republic County, Kansas. Jefferson township has a 2026 population of 90. Jefferson township is currently declining at a rate of 0% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 91 in 2020.
The median age in Jefferson township is 57.8 years: 51.6 years for males, and 66.9 years for females. For every 100 females there are 206.7 males.