Marion township
- County:
- Harrison County
- County Seat:
- No
- Area (mi²):
- 34.877
- State:
- Missouri
Marion township is located in Harrison County, Missouri. Marion township has a 2026 population of 364. Marion township is currently declining at a rate of -0.27% annually but its population has increased by 0.28% since the most recent census, which recorded a population of 363 in 2020.
The median household income in Marion township is $87,533 with a poverty rate of 31.89%. The median age in Marion township is 25.5 years: 24.7 years for males, and 31.7 years for females. For every 100 females there are 124.6 males.