Grafton township
- County:
- Sibley County
- County Seat:
- No
- Area (mi²):
- 38.907
- State:
- Minnesota
Grafton township is located in Sibley County, Minnesota. Grafton township has a 2026 population of 206. Grafton township is currently declining at a rate of 0% annually and its population has increased by 0.98% since the most recent census, which recorded a population of 204 in 2020.
The median household income in Grafton township is $84,688 with a poverty rate of 2.26%. The median age in Grafton township is 38.8 years: 36.7 years for males, and 41 years for females. For every 100 females there are 145.6 males.