Barnett township
- County:
- Roseau County
- County Seat:
- No
- Area (mi²):
- 36.951
- State:
- Minnesota
Barnett township is located in Roseau County, Minnesota. Barnett township has a 2026 population of 136. Barnett township is currently declining at a rate of -0.73% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 138 in 2020.
The median household income in Barnett township is $71,250 with a poverty rate of 3.64%. The median age in Barnett township is 34.9 years: 44.2 years for males, and 31.8 years for females. For every 100 females there are 81.3 males.