Mullen
- County:
- Hooker County
- County Seat:
- Yes
- Area (mi²):
- 0.413
- State:
- Nebraska
Mullen is a village located in Hooker County, Nebraska. Mullen has a 2026 population of 465. It is also the county seat of Hooker County. Mullen is currently growing at a rate of 1.75% annually but its population has decreased by -6.06% since the most recent census, which recorded a population of 495 in 2020.