Johnston township
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 17.111
- State:
- Missouri
Johnston township is located in Macon County, Missouri. Johnston township has a 2025 population of 15. Johnston township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Johnston township is 67.9 years: 0 years for males, and 0 years for females.