Founded in 1889, Hooker County is one of 93 counties in the state of Nebraska. Historically, Hooker County was formed from unorganized territory. The city of Mullen is the county seat. With FIPS code of 91, Hooker County has a population of 734 and area of 721 square miles (1,867 km2).
List of all cities in Hooker County, NE alphabetically
| City/Town | Postal Code | Area Code |
| Mullen, NE | 69152 | 308 |