
Grantsville township
- County:
- Linn County
- County Seat:
- No
- Area (mi²):
- 46.016
- State:
- Missouri
Grantsville township is located in Linn County, Missouri. Grantsville township has a 2025 population of 258. Grantsville township is currently declining at a rate of 0% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 259 in 2020.
The average household income in Grantsville township is $79,103 with a poverty rate of 0%. The median age in Grantsville township is 31.6 years: 45.3 years for males, and 16.7 years for females.