Founded in 1888, Banner County is one of 93 counties in the state of Nebraska. Historically, Banner County was formed from Cheyenne County. The city of Harrisburg is the county seat. With FIPS code of 7, Banner County has a population of 692 and area of 746 square miles (1,932 km2).
List of all cities in Banner County, NE alphabetically
| City/Town | Postal Code | Area Code |
| Harrisburg, NE | 69345 | 308 |