Barnett township
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 14.582
- State:
- Pennsylvania
Barnett township is located in Jefferson County, Pennsylvania. Barnett township has a 2026 population of 225. Barnett township is currently declining at a rate of -0.88% annually and its population has decreased by -2.6% since the most recent census, which recorded a population of 231 in 2020.
The median household income in Barnett township is $49,375 with a poverty rate of 8.8%. The median age in Barnett township is 62.8 years: 63.8 years for males, and 61.7 years for females. For every 100 females there are 109.7 males.