
Simpson township
- County:
- Johnson County
- County Seat:
- No
- Area (mi²):
- 44.921
- State:
- Missouri
Simpson township is located in Johnson County, Missouri. Simpson township has a 2025 population of 861. Simpson 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 average household income in Simpson township is $130,629 with a poverty rate of 0.23%. The median age in Simpson township is 26 years: 15.9 years for males, and 29.7 years for females.