Mullen township
- County:
- Hooker County
- County Seat:
- No
- Area (mi²):
- 39.209
- State:
- Nebraska
Mullen township is located in Hooker County, Nebraska. Mullen township has a 2026 population of 19. Mullen township is currently declining at a rate of 0% annually and its population has decreased by -5% since the most recent census, which recorded a population of 20 in 2020.